Runic Sunder is an Arcanist Skill, found in the Soldier of Apocrypha skill line.
Base Skill: Runic Jolt
|Craft a defensive Apocryphal rune that deals 1161 Physical Damage. The rune steals 2200 Armor and applies Minor Maim for 15 seconds, reducing their damage done by 5%. The rune also taunts for 15 seconds if it would not cause taunt immunity, and generates Crux. While slotted, damage taken is reduced by 2% per active Crux.|
Runic Sunder is a morph of Runic Jolt base skill. The other morph is Runic Embrace.