diff --git a/core/src/com/riiablo/attributes/StatFormatter.java b/core/src/com/riiablo/attributes/StatFormatter.java
new file mode 100644
index 00000000..838b37bc
--- /dev/null
+++ b/core/src/com/riiablo/attributes/StatFormatter.java
@@ -0,0 +1,309 @@
+package com.riiablo.attributes;
+
+import com.riiablo.CharacterClass;
+import com.riiablo.Riiablo;
+import com.riiablo.codec.excel.CharStats;
+import com.riiablo.codec.excel.ItemStatCost;
+import com.riiablo.codec.excel.SkillDesc;
+import com.riiablo.codec.excel.Skills;
+import com.riiablo.logger.LogManager;
+import com.riiablo.logger.Logger;
+
+public class StatFormatter {
+  private static final Logger log = LogManager.getLogger(StatFormatter.class);
+
+  private static final StringBuilder builder = new StringBuilder(32);
+
+  private static final CharSequence SPACE;
+  private static final CharSequence DASH;
+  private static final CharSequence PERCENT;
+  private static final CharSequence PLUS;
+  private static final CharSequence TO;
+  static {
+    if (Riiablo.string == null) {
+      SPACE = " ";
+      DASH = "-";
+      PERCENT = "%";
+      PLUS = "+";
+      TO = "to";
+    } else {
+      SPACE = Riiablo.string.lookup("space");
+      DASH = Riiablo.string.lookup("dash");
+      PERCENT = Riiablo.string.lookup("percent");
+      PLUS = Riiablo.string.lookup("plus");
+      TO = Riiablo.string.lookup("ItemStast1k");
+    }
+  }
+
+  private static final String[] BY_TIME = {
+      "ModStre9e", "ModStre9g", "ModStre9d", "ModStre9f",
+  };
+
+  public CharSequence format(StatGetter stat, Attributes opAttrs) {
+    final ItemStatCost.Entry entry = stat.entry();
+    return format(stat, opAttrs, entry.descfunc, entry.descval, entry.descstrpos, entry.descstrneg, entry.descstr2);
+  }
+
+  public CharSequence format(
+      final StatGetter stat,
+      final Attributes opAttrs,
+      final int func,
+      final int valmode,
+      final String strpos,
+      final String strneg,
+      final String str2) {
+    builder.setLength(0);
+    switch (func) {
+      case 1: { // +%d %s1
+        final int value = stat.value1();
+        if (valmode == 1) builder.append(PLUS).append(value).append(SPACE);
+        builder.append(Riiablo.string.lookup(value < 0 ? strneg : strpos));
+        if (valmode == 2) builder.append(SPACE).append(PLUS).append(value);
+        return builder.toString();
+      }
+      case 2: { // %d%% %s1
+        final int value = stat.value1();
+        if (valmode == 1) builder.append(value).append(PERCENT).append(SPACE);
+        builder.append(Riiablo.string.lookup(value < 0 ? strneg : strpos));
+        if (valmode == 2) builder.append(SPACE).append(value).append(PERCENT);
+        return builder.toString();
+      }
+      case 3: { // %d %s1
+        final int value = stat.value1();
+        if (valmode == 1) builder.append(value).append(SPACE);
+        builder.append(Riiablo.string.lookup(value < 0 ? strneg : strpos));
+        if (valmode == 2) builder.append(SPACE).append(value);
+        return builder.toString();
+      }
+      case 4: { // +%d%% %s1
+        final int value = stat.value1();
+        if (valmode == 1) builder.append(PLUS).append(value).append(PERCENT).append(SPACE);
+        builder.append(Riiablo.string.lookup(value < 0 ? strneg : strpos));
+        if (valmode == 2) builder.append(SPACE).append(PLUS).append(value).append(PERCENT);
+        return builder.toString();
+      }
+      case 5: { // %d%% %s1
+        final int value = Fixed.intBitsToFloatFloor(stat.value1() * 100, 7);
+        if (valmode == 1) builder.append(value).append(PERCENT).append(SPACE);
+        builder.append(Riiablo.string.lookup(value < 0 ? strneg : strpos));
+        if (valmode == 2) builder.append(SPACE).append(value).append(PERCENT);
+        return builder.toString();
+      }
+      case 6: { // +%d %s1 %s2
+        final int value = op(stat, opAttrs);
+        if (valmode == 1) builder.append(PLUS).append(value).append(SPACE);
+        builder
+            .append(Riiablo.string.lookup(value < 0 ? strneg : strpos))
+            .append(SPACE)
+            .append(Riiablo.string.lookup(str2));
+        if (valmode == 2) builder.append(SPACE).append(PLUS).append(value);
+        return builder.toString();
+      }
+      case 7: { // %d%% %s1 %s2
+        final int value = op(stat, opAttrs);
+        if (valmode == 1) builder.append(value).append(PERCENT).append(SPACE);
+        builder
+            .append(Riiablo.string.lookup(value < 0 ? strneg : strpos))
+            .append(SPACE)
+            .append(Riiablo.string.lookup(str2));
+        if (valmode == 2) builder.append(SPACE).append(value).append(PERCENT);
+        return builder.toString();
+      }
+      case 8: { // +%d%% %s1 %s2
+        final int value = op(stat, opAttrs);
+        if (valmode == 1) builder.append(PLUS).append(value).append(PERCENT).append(SPACE);
+        builder
+            .append(Riiablo.string.lookup(value < 0 ? strneg : strpos))
+            .append(SPACE)
+            .append(Riiablo.string.lookup(str2));
+        if (valmode == 2) builder.append(SPACE).append(PLUS).append(value).append(PERCENT);
+        return builder.toString();
+      }
+      case 9: { // %d %s1 %s2
+        final int value = op(stat, opAttrs);
+        if (valmode == 1) builder.append(value).append(SPACE);
+        builder
+            .append(Riiablo.string.lookup(value < 0 ? strneg : strpos))
+            .append(SPACE)
+            .append(Riiablo.string.lookup(str2));
+        if (valmode == 2) builder.append(SPACE).append(value);
+        return builder.toString();
+      }
+      case 10: { // %d%% %s1 %s2
+        final int value = Fixed.intBitsToFloatFloor(stat.value1() * 100, 7);
+        if (valmode == 1) builder.append(value).append(PERCENT).append(SPACE);
+        builder
+            .append(Riiablo.string.lookup(value < 0 ? strneg : strpos))
+            .append(SPACE)
+            .append(Riiablo.string.lookup(str2));
+        if (valmode == 2) builder.append(SPACE).append(value).append(PERCENT);
+        return builder.toString();
+      }
+      case 11: { // Repairs 1 Durability in %d Seconds
+        final int value = 100 / stat.value1();
+        return Riiablo.string.format("ModStre9u", 1, value);
+      }
+      case 12: { // +%d %s1
+        final int value = stat.value1();
+        if (valmode == 1) builder.append(PLUS).append(value).append(SPACE);
+        builder.append(Riiablo.string.lookup(value < 0 ? strneg : strpos));
+        if (valmode == 2) builder.append(SPACE).append(PLUS).append(value);
+        return builder.toString();
+      }
+      case 13: { // +%d %s | +1 to Paladin Skills
+        final int value = stat.value1();
+        final int param = stat.param1();
+        builder
+            .append(PLUS).append(value)
+            .append(SPACE)
+            .append(Riiablo.string.lookup(CharacterClass.get(param).entry().StrAllSkills));
+        return builder.toString();
+      }
+      case 14: { // %s %s | +1 to Fire Skills (Sorceress Only)
+        final int value = stat.value1();
+        final int param = stat.param1();
+        final CharStats.Entry entry = CharacterClass.get((param >>> 3) & 0x3).entry();
+        builder
+            .append(Riiablo.string.format(entry.StrSkillTab[param & 0x7], value))
+            .append(SPACE)
+            .append(Riiablo.string.lookup(entry.StrClassOnly));
+        return builder.toString();
+      }
+      case 15: { // 15% chance to cast Level 5 Life Tap on Striking
+        final int value = stat.value1();
+        final int param = stat.param1();
+        final Skills.Entry skill = Riiablo.files.skills.get(stat.param2());
+        final SkillDesc.Entry desc = Riiablo.files.skilldesc.get(skill.skilldesc);
+        return Riiablo.string.format(strpos, value, param, Riiablo.string.lookup(desc.str_name));
+      }
+      case 16: { // Level 16 Defiance Aura When Equipped
+        final int value = stat.value1();
+        final int param = stat.param1();
+        final Skills.Entry skill = Riiablo.files.skills.get(param);
+        final SkillDesc.Entry desc = Riiablo.files.skilldesc.get(skill.skilldesc);
+        return Riiablo.string.format(strpos, value, Riiablo.string.lookup(desc.str_name));
+      }
+      case 17: { // +10 to Dexterity (Increases Near Dawn) // TODO: untested
+        if (log.warnEnabled()) log.warn("stat({}) uses untested bytime func({})", stat.debugString(), func);
+        // value needs to update based on time of day
+        final int value1 = stat.value1();
+        final int value2 = stat.value2();
+        final int value3 = stat.value3();
+        if (valmode == 1) builder.append(PLUS).append(value3).append(SPACE);
+        builder.append(Riiablo.string.lookup(strpos));
+        if (valmode == 2) builder.append(SPACE).append(PLUS).append(value3);
+        builder.append(SPACE).append(Riiablo.string.lookup(BY_TIME[value1]));
+        return builder.toString();
+      }
+      case 18: { // 50% Enhanced Defense (Increases Near Dawn) // TODO: untested
+        if (log.warnEnabled()) log.warn("stat({}) uses untested bytime func({})", stat.debugString(), func);
+        // value needs to update based on time of day
+        final int value1 = stat.value1();
+        final int value2 = stat.value2();
+        final int value3 = stat.value3();
+        if (valmode == 1) builder.append(value3).append(PERCENT).append(SPACE);
+        builder.append(Riiablo.string.lookup(strpos));
+        if (valmode == 2) builder.append(SPACE).append(value3).append(PERCENT);
+        builder.append(SPACE).append(Riiablo.string.lookup(BY_TIME[value1]));
+        return builder.toString();
+      }
+      case 19: { // Formats strpos/strneg with value
+        final int value = stat.value1();
+        return Riiablo.string.format(value < 0 ? strneg : strpos, value);
+      }
+      case 20: { // -%d%% %s1
+        final int value = -stat.value1();
+        if (valmode == 1) builder.append(value).append(PERCENT).append(SPACE);
+        builder.append(Riiablo.string.lookup(value < 0 ? strneg : strpos));
+        if (valmode == 2) builder.append(SPACE).append(value).append(PERCENT);
+        return builder.toString();
+      }
+      case 21: { // -%d %s1
+        final int value = -stat.value1();
+        if (valmode == 1) builder.append(value).append(SPACE);
+        builder.append(Riiablo.string.lookup(value < 0 ? strneg : strpos));
+        if (valmode == 2) builder.append(SPACE).append(value);
+        return builder.toString();
+      }
+      case 22: { // +%d%% %s1 %s | +3% Attack Rating Versus: %s // TODO: unsupported for now
+        if (log.warnEnabled()) log.warn("stat({}) uses unsupported func({})", stat.debugString(), func);
+        return "ERROR(22)";
+      }
+      case 23: { // %d%% %s1 %s | 3% ReanimateAs: %s // TODO: unsupported for now
+        if (log.warnEnabled()) log.warn("stat({}) uses unsupported func({})", stat.debugString(), func);
+        return "ERROR(23)";
+      }
+      case 24: {
+        final Skills.Entry skill = Riiablo.files.skills.get(stat.param2());
+        final SkillDesc.Entry desc = Riiablo.files.skilldesc.get(skill.skilldesc);
+        builder
+            .append(Riiablo.string.lookup("ModStre10b")).append(SPACE)
+            .append(stat.param1()).append(SPACE)
+            .append(Riiablo.string.lookup(desc.str_name)).append(SPACE)
+            .append(Riiablo.string.format(strpos, stat.value1(), stat.value2()));
+        return builder.toString();
+      }
+      case 25: { // TODO: unsupported
+        if (log.warnEnabled()) log.warn("stat({}) uses unsupported func({})", stat.debugString(), func);
+        return "ERROR(25)";
+      }
+      case 26: { // TODO: unsupported
+        if (log.warnEnabled()) log.warn("stat({}) uses unsupported func({})", stat.debugString(), func);
+        return "ERROR(26)";
+      }
+      case 27: { // +1 to Lightning (Sorceress Only)
+        final int value = stat.value1();
+        final int param = stat.param1();
+        final Skills.Entry skill = Riiablo.files.skills.get(param);
+        final SkillDesc.Entry desc = Riiablo.files.skilldesc.get(skill.skilldesc);
+        final CharStats.Entry entry = Riiablo.files.skills.getClass(skill.charclass).entry();
+        builder
+            .append(PLUS).append(value).append(SPACE)
+            .append(TO).append(SPACE)
+            .append(Riiablo.string.lookup(desc.str_name)).append(SPACE)
+            .append(Riiablo.string.lookup(entry.StrClassOnly));
+        return builder.toString();
+      }
+      case 28: { // +1 to Teleport
+        final int value = stat.value1();
+        final int param = stat.param1();
+        final Skills.Entry skill = Riiablo.files.skills.get(param);
+        final SkillDesc.Entry desc = Riiablo.files.skilldesc.get(skill.skilldesc);
+        builder
+            .append(PLUS).append(value).append(SPACE)
+            .append(TO).append(SPACE)
+            .append(Riiablo.string.lookup(desc.str_name));
+        return builder.toString();
+      }
+      default:
+        if (log.warnEnabled()) log.warn("stat({}) uses unknown func({})", stat.debugString(), func);
+        return "ERROR";
+    }
+  }
+
+  /** @see AttributesUpdater#op(CharStats.Entry, StatListBuilder, StatGetter, StatGetter, int, int, int) */
+  private static int op(StatGetter stat, Attributes opAttrs) {
+    final ItemStatCost.Entry entry = stat.entry();
+    final int op_param = entry.op_param;
+    final int op_base = op_param > 0
+        ? opAttrs.aggregate().get(Stat.index(entry.op_base)).value1()
+        : 1;
+    final int value = stat.value1();
+    switch (entry.op) {
+      default: log.warn("entry.op({}) unknown for stat({})", entry.op, stat.debugString()); // fall-through
+      case 1: return value;
+      case 2: return Fixed.intBitsToFloatFloor(value * op_base, op_param);
+      case 3: return value;
+      case 4: return Fixed.intBitsToFloatFloor(value * op_base, op_param);
+      case 5: return Fixed.intBitsToFloatFloor(value * op_base, op_param);
+      case 6: return value; // Unsupported -- time of day
+      case 7: return value; // Unsupported -- time of day %
+      case 8: return value;
+      case 9: return value;
+      case 10: return value;
+      case 11: return value;
+      case 12: return value;
+      case 13: return value;
+    }
+  }
+}
diff --git a/core/test/com/riiablo/attributes/StatFormatterTest.java b/core/test/com/riiablo/attributes/StatFormatterTest.java
new file mode 100644
index 00000000..77afa297
--- /dev/null
+++ b/core/test/com/riiablo/attributes/StatFormatterTest.java
@@ -0,0 +1,97 @@
+package com.riiablo.attributes;
+
+import org.junit.AfterClass;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import com.badlogic.gdx.ApplicationAdapter;
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.backends.headless.HeadlessApplication;
+
+import com.riiablo.Files;
+import com.riiablo.Riiablo;
+import com.riiablo.codec.StringTBLs;
+import com.riiablo.logger.Level;
+import com.riiablo.logger.LogManager;
+import com.riiablo.mpq.MPQFileHandleResolver;
+
+public class StatFormatterTest {
+  @BeforeClass
+  public static void setup() {
+    Gdx.app = new HeadlessApplication(new ApplicationAdapter() {});
+    Riiablo.home = Gdx.files.absolute("C:\\Program Files (x86)\\Steam\\steamapps\\common\\Diablo II");
+    Riiablo.mpqs = new MPQFileHandleResolver();
+    Riiablo.string = new StringTBLs(Riiablo.mpqs);
+    Riiablo.files = new Files();
+  }
+
+  @AfterClass
+  public static void teardown() {
+    Gdx.app.exit();
+  }
+
+  @BeforeClass
+  public static void before() {
+    LogManager.setLevel("com.riiablo.attributes", Level.TRACE);
+  }
+
+  private static StatFormatter newInstance() {
+    return new StatFormatter();
+  }
+
+  @Test
+  public void strength() { // func 1
+    StatGetter stat = StatList.obtain().buildList().put(Stat.strength, 5).last();
+    Assert.assertEquals("+5 to Strength", newInstance().format(stat, null));
+  }
+
+  @Test
+  public void toblock() { // func 2
+    StatGetter stat = StatList.obtain().buildList().put(Stat.toblock, 25).last();
+    Assert.assertEquals("25% Increased Chance of Blocking", newInstance().format(stat, null));
+  }
+
+  @Test
+  public void item_maxdamage_percent() { // func 3, valmode 0
+    StatGetter stat = StatList.obtain().buildList().put(Stat.item_maxdamage_percent, 300).last();
+    Assert.assertEquals("Enhanced Maximum Damage", newInstance().format(stat, null));
+  }
+
+  @Test
+  public void magic_damage_reduction() { // func 3, valmode 2
+    StatGetter stat = StatList.obtain().buildList().put(Stat.magic_damage_reduction, 10).last();
+    Assert.assertEquals("Magic Damage Reduced by 10", newInstance().format(stat, null));
+  }
+
+  @Test
+  public void fireresist() { // func 4, valmode 2
+    StatGetter stat = StatList.obtain().buildList().put(Stat.fireresist, 45).last();
+    Assert.assertEquals("Fire Resist +45%", newInstance().format(stat, null));
+  }
+
+  @Test
+  public void maxfireresist() { // func 4, valmode 1
+    StatGetter stat = StatList.obtain().buildList().put(Stat.maxfireresist, 5).last();
+    Assert.assertEquals("+5% to Maximum Fire Resist", newInstance().format(stat, null));
+  }
+
+  @Test
+  public void item_addclassskills() { // func 13, valmode 1
+    StatGetter stat = StatList.obtain().buildList().put(Stat.item_addclassskills, Riiablo.BARBARIAN, 3).last();
+    Assert.assertEquals("+3 to Barbarian Skill Levels", newInstance().format(stat, null));
+  }
+
+  @Test
+  public void item_nonclassskill() { // func 28, valmost 0
+    StatGetter stat = StatList.obtain().buildList().put(Stat.item_nonclassskill, 54, 1).last();
+    Assert.assertEquals("+1 to Teleport", newInstance().format(stat, null));
+  }
+
+  @Test
+  public void item_hp_perlevel() { // func 6, valmode 1, op 2, op_param 3
+    Attributes attrs = Attributes.wrappedAttributes(StatList.obtain().buildList().put(Stat.level, 5).build());
+    StatGetter stat = StatList.obtain().buildList().put(Stat.item_hp_perlevel, 10 << 3).last();
+    Assert.assertEquals("+50 to Life (Based on Character Level)", newInstance().format(stat, attrs));
+  }
+}
\ No newline at end of file