diff --git a/PALAMOD_CDC.md b/PALAMOD_CDC.md
index 7cc1a6f..0e8ca24 100644
--- a/PALAMOD_CDC.md
+++ b/PALAMOD_CDC.md
@@ -683,6 +683,12 @@ avant M4 (TODO:crafts-machines).
 - M-market-2 LIVRE 2026-10-19 ~06:20 : expiration annonces (createdAt, marketExpiryDays
   =7 persistee VERIFIEE, purge au flush, rendu si vendeur connecte). TODO:market-expiry
   CLOS. VERIFIE : build SUCCESSFUL, boot Done, 0 erreur. UNVERIFIED en jeu (purge 7j).
+- M-alchi-1 LIVRE 2026-10-19 ~06:30 : fiole (craft 5 verres, XP craft 0.2@1) + mixin
+  craft data-driven (alchemistCraft). Incident : 1er boot refuse (ingredients objets
+  {"item"} parses vide en 26.3 -> strings simples comme socketpattern). Lecon : boot
+  Datapack = validation JSON, toujours rebooter apres recette. ECART : positions craft
+  UNVERIFIED, extracteur sans texture (TODO:M-alchi-extracteur), arbes a seve absents
+  (TODO:M-trees). VERIFIE : build SUCCESSFUL, boot Done, 0 erreur. UNVERIFIED en jeu.
 - M-palaforge LIVRE 2026-10-19 ~03:55 : bloc + BE partagee (3e mode) + gate mineur 14 +
   table fonte wiki §3.2 (31 items, ratio floor usure) + fuels bois (+buche/planches/baton,
   lave exclue : seau non rendu) + craft (1 findium + 4 furnaces + 4 briques, positions
diff --git a/mods/pala/src/main/java/fr/surviepote/pala/PalaItems.java b/mods/pala/src/main/java/fr/surviepote/pala/PalaItems.java
index 36ea746..a025fa5 100644
--- a/mods/pala/src/main/java/fr/surviepote/pala/PalaItems.java
+++ b/mods/pala/src/main/java/fr/surviepote/pala/PalaItems.java
@@ -120,6 +120,9 @@ public final class PalaItems {
     // Nutrition 4/0.3 ECART (wiki muet, comme pomme). Sans craft (ECART lucky).
     public static final Item BANANA = register("banana", id -> new Item(new Item.Properties().setId(id).food(new FoodProperties(4, 0.3F, true), net.minecraft.world.item.component.Consumable.builder().onConsume(new net.minecraft.world.item.consume_effects.ApplyStatusEffectsConsumeEffect(new net.minecraft.world.effect.MobEffectInstance(net.minecraft.world.effect.MobEffects.SPEED, 300, 2), 1.0F)).build())));
     public static final Item COUAC_SWORD = register("couac_sword", id -> new Item(new Item.Properties().setId(id).sword(PalaToolMaterials.PALADIUM_SWORD, 8.0F, -2.3F)));
+    // M-alchi-1 (wiki alchimiste) : fiole (stack 16, craft 5 verres shapeless ECART
+    // positions, XP craft 0.2@1). Extracteur : texture absente (TODO:M-alchi-extracteur).
+    public static final Item FLASK = register("flask", id -> new Item(new Item.Properties().setId(id).stacksTo(16)));
     // M-gadget-8 (wiki ID 5023/5029) : cagoule (cosmetique, UNBREAKABLE) + masque de
     // garde (stats fer). Sans craft (ECART lucky).
     public static final Item BALACLAVA = register("balaclava", id -> new Item(new Item.Properties().setId(id).durability(1).humanoidArmor(PalaArmorMaterials.BALACLAVA, ArmorType.HELMET).component(DataComponents.UNBREAKABLE, Unit.INSTANCE)));
diff --git a/mods/pala/src/main/java/fr/surviepote/pala/PalaTabs.java b/mods/pala/src/main/java/fr/surviepote/pala/PalaTabs.java
index 83a753f..dda8c93 100644
--- a/mods/pala/src/main/java/fr/surviepote/pala/PalaTabs.java
+++ b/mods/pala/src/main/java/fr/surviepote/pala/PalaTabs.java
@@ -78,6 +78,7 @@ public final class PalaTabs {
             output.accept(PalaItems.BANANA);
             output.accept(PalaItems.BALACLAVA);
             output.accept(PalaItems.GUARD_MASK);
+            output.accept(PalaItems.FLASK);
             output.accept(PalaItems.CANDY);
             output.accept(PalaItems.CANDY_BLUE);
             output.accept(PalaItems.CANDY_GREEN);
diff --git a/mods/pala/src/main/java/fr/surviepote/pala/core/PalaConfig.java b/mods/pala/src/main/java/fr/surviepote/pala/core/PalaConfig.java
index c911c20..10e16d3 100644
--- a/mods/pala/src/main/java/fr/surviepote/pala/core/PalaConfig.java
+++ b/mods/pala/src/main/java/fr/surviepote/pala/core/PalaConfig.java
@@ -139,6 +139,10 @@ public final class PalaConfig {
             "pala:egg_plant_fruit", new double[]{3, 8},
             "pala:okami_fruit", new double[]{4.5, 12},
             "pala:kiwano", new double[]{6, 16}));
+    // M-alchi-1 (wiki Evolution alchimiste VERIFIE) : XP au craft = item -> [xp, niveau].
+    // Fiole 0.2@1. Extracteur/lightning/glueballs/portails : items/crafts en M-alchi-2+.
+    public Map<String, double[]> alchemistCraft = new HashMap<>(Map.of(
+            "pala:flask", new double[]{0.2, 1}));
     // M4a : recettes machines data-driven (CDC §3.4). Cles = ids de registres.
     // Defauts = legacy+wiki VERIFIES (M3). Rechargeables via /pala reload.
     public Map<String, String> crusherResults = new HashMap<>(Map.of(
@@ -237,6 +241,7 @@ public final class PalaConfig {
                 java.util.Set<String> expected = java.util.Set.of("minerXp", "minerLevels",
                         "xpBase", "xpExponent", "levelThresholds", "netherMinerLevel", "stickCooldowns",
                         "rankNodes", "hunterKills", "farmerHarvest", "crusherXp",
+                        "alchemistCraft",
                         "crusherResults", "crusherFuels", "crusherInfiniteFuels",
                         "furnaceSmelts", "furnaceFuels",
                         "serverName", "wikiUrl", "discordUrl", "shopUrl",
diff --git a/mods/pala/src/main/java/fr/surviepote/pala/mixin/PalaCraftXpMixin.java b/mods/pala/src/main/java/fr/surviepote/pala/mixin/PalaCraftXpMixin.java
index 1808ffa..69d91b8 100644
--- a/mods/pala/src/main/java/fr/surviepote/pala/mixin/PalaCraftXpMixin.java
+++ b/mods/pala/src/main/java/fr/surviepote/pala/mixin/PalaCraftXpMixin.java
@@ -15,6 +15,7 @@ import fr.surviepote.pala.core.PalaJobs;
 
 // M-mixin (wiki metiers, VERIFIE) : XP au craft, sans event fabric existant.
 // Fermier : pain = 1 XP (niveau 1+), tarte citrouille = 4 XP (niveau 11+), par item pris.
+// M-alchi-1 : alchimiste data-driven (config alchemistCraft : item -> [xp, niveau]).
 // Injection en TAIL de checkTakeAchievements (appele a chaque prise du resultat).
 @Mixin(ResultSlot.class)
 public class PalaCraftXpMixin {
@@ -39,5 +40,9 @@ public class PalaCraftXpMixin {
                 PalaJobs.addXp(sp, "fermier", 4.0 * stack.getCount());
             }
         }
+        double[] row = fr.surviepote.pala.core.PalaConfig.get().alchemistCraft.get(id);
+        if (row != null && PalaJobs.levelOf(sp, "alchimiste") >= (int) row[1]) {
+            PalaJobs.addXp(sp, "alchimiste", row[0] * stack.getCount());
+        }
     }
 }
diff --git a/mods/pala/src/main/resources/assets/pala/items/flask.json b/mods/pala/src/main/resources/assets/pala/items/flask.json
new file mode 100644
index 0000000..71384aa
--- /dev/null
+++ b/mods/pala/src/main/resources/assets/pala/items/flask.json
@@ -0,0 +1,6 @@
+{
+  "model": {
+    "type": "minecraft:model",
+    "model": "pala:item/flask"
+  }
+}
\ No newline at end of file
diff --git a/mods/pala/src/main/resources/assets/pala/lang/en_us.json b/mods/pala/src/main/resources/assets/pala/lang/en_us.json
index 58bb28d..3e883ce 100644
--- a/mods/pala/src/main/resources/assets/pala/lang/en_us.json
+++ b/mods/pala/src/main/resources/assets/pala/lang/en_us.json
@@ -4,6 +4,7 @@
   "item.pala.amethyst_mixed_coal": "Amethyst Mixed Coal",
   "item.pala.amethyst_stick": "Amethyst Stick",
   "item.pala.compressed_amethyst": "Compressed Amethyst",
+  "item.pala.flask": "Fiole",
   "item.pala.balaclava": "Cagoule",
   "item.pala.guard_mask": "Masque de garde",
   "item.pala.banana": "Banane",
diff --git a/mods/pala/src/main/resources/assets/pala/models/item/flask.json b/mods/pala/src/main/resources/assets/pala/models/item/flask.json
new file mode 100644
index 0000000..5d83b08
--- /dev/null
+++ b/mods/pala/src/main/resources/assets/pala/models/item/flask.json
@@ -0,0 +1,6 @@
+{
+  "parent": "minecraft:item/generated",
+  "textures": {
+    "layer0": "pala:item/flask"
+  }
+}
\ No newline at end of file
diff --git a/mods/pala/src/main/resources/assets/pala/textures/item/flask.png b/mods/pala/src/main/resources/assets/pala/textures/item/flask.png
new file mode 100644
index 0000000..caaaf75
Binary files /dev/null and b/mods/pala/src/main/resources/assets/pala/textures/item/flask.png differ
diff --git a/mods/pala/src/main/resources/data/pala/recipe/flaskrecipe.json b/mods/pala/src/main/resources/data/pala/recipe/flaskrecipe.json
new file mode 100644
index 0000000..87d51dd
--- /dev/null
+++ b/mods/pala/src/main/resources/data/pala/recipe/flaskrecipe.json
@@ -0,0 +1,15 @@
+{
+  "type": "minecraft:crafting_shapeless",
+  "category": "misc",
+  "ingredients": [
+    "minecraft:glass",
+    "minecraft:glass",
+    "minecraft:glass",
+    "minecraft:glass",
+    "minecraft:glass"
+  ],
+  "result": {
+    "id": "pala:flask",
+    "count": 1
+  }
+}
\ No newline at end of file
diff --git a/server/mods/pala-0.2.1.jar b/server/mods/pala-0.2.1.jar
index 04d8cf8..c6724b4 100644
Binary files a/server/mods/pala-0.2.1.jar and b/server/mods/pala-0.2.1.jar differ