Eldritch Alignment: Lights of the Void Martyr

Make an attack roll using one of your arms (ranged) If the roll hits, the target is marked with an orb.

Targets marked with orbs share 50% of the radiant damage they take with all others.

you may only mark one target per summoned arm, and the attack roll is a full action regardless if it hits or misses.

Requires activation of "Eldritch Alignment: Cosmic Arms"