The Gloves of Power cast Bane on the target but also on the wearers if they don't have the Absolute's mark.
It's not a bug, but the tooltip could be a bit more clear.

Last edited by Tuco; 28/01/21 07:31 PM.
Party control in Baldur's Gate 3 is a complete mess that begs to be addressed. SAY NO TO THE TOILET CHAIN