The dark DMG increases by 15%, and the 4th spine of annihilation orb will produce additional 100% of ranged dark DMG.
Incandescence
Weapon's final ATK increases by 15% at the start of battle. No duration limit.
Shock Echo
When taking damage, releases a shockwave that deals damage equal to 50% of own ATK, pushing enemies away and reducing enemies' Movement Speed by 35% for 5s, CD for 8s.