Increase allies and decrease enemies' Movement Speed by 21% for 4 seconds when passing through Abyssal Fortress.
Level 3
Center Of Combat
Royal Presence
Increase the max health damage of Royal Presence's Poison aura by 8%.
Level 4
Unyielding Advance
Increase Abyssal Fortress' Health by 200
Level 1
Unbreakable Will
Reduce the Health reduction from placing Abyssal Fortress >30 units away by 80%.
Level 4
Forever Changed
Increase your maximum Health by 450.
Level 3
Abyssal Breach
Enemies that pass through Abyssal Fortress are Revealed and take 10% additional weapon damage from you and your allies for 3s. Reduce Abyssal Fortress' Cooldown by 2s.