PASSIVE - This item grants 2 MP5 per 10% of your missing Mana. Your damaging abilities deal an extra 15 true damage to minions. Can be upgraded at level 20.
Obsidian Shard
+80
Magical Power
+20
Magical Penetration
PASSIVE - Your first ability cast gains 20% Magical Penetration. This can only occur once every 10 seconds.