Spirit Shroud: is its effect per hit, or just for a single attack?

dnd 5e dnd 5e spirit shroud Spirit Shroud - bonus action - 3rd level - adds 1d8 damage to each attack - can increase to 2d8 with a 5th level slot 301235E65 Tagged 5e, D&D, D&D Tactics, Darkness Although we are more optimized for fighting with Spirit Guardians or Spirit Shroud active

rollies dnd Spirit Shroud: Filled with the Spirit You call forth spirits of the dead, which flit around you for the spell's duration The spirits are