Add weapon data

public/data/weapons/eliudnir.json

@@ -0,0 +1,17 @@
+{
+  "id": "eliudnir",
+  "name": "Eliudnir",
+  "atk": 275,
+  "crt": 36,
+  "rarity": 5,
+  "skills": [
+    {
+      "name": "Palace of Misery",
+      "description": "[SP: 20][CD: 18s] Deploys the weapon. For a period of 10s, attacks of allies gain 30.0% Physical DMG against stunned enemies. Fires light beams every 1.5s at a random enemy within range to deal 320.0% ATK of Physical DMG and knockdown. The 1st hit will stun enemies for 6.00s."
+    },
+    {
+      "name": "Mist of Decay",
+      "description": "Character attacks on stunned enemies gain 40.0% Total DMG Multiplier."
+    }
+  ]
+}