Tiefling gameplay (#703)

* tiefling damage mana

* tiefling spell

* tweaks

Resources/Textures/_CP14/Effects/Magic/spells_icons.rsi/meta.json

@@ -5,7 +5,7 @@
     "y": 32
   },
   "license": "CLA",
-  "copyright": "Created by .kreks., cure_poison, cure_burn, mana_gift, water creation, plant_growth, beer creation, sprint and resurrection by TheShuEd",
+  "copyright": "Created by .kreks., cure_poison, cure_burn, mana_gift, water creation, plant_growth, beer creation, sprint, tiefling_revenge and resurrection by TheShuEd",
   "states": [
     {
       "name": "beer_creation"
@@ -61,6 +61,9 @@
     {
       "name": "sprint"
     },
+    {
+      "name": "tiefling_revenge"
+    },
     {
       "name": "water_creation"
     }