Corelight Bauble

Sheds bright light 20 ft and dim 20 ft, suppress/resume as bonus action. Advantage on concentration saves and +1 to spell attack rolls. Spend 1 charge when casting radiant/force spell to add 1d8 damage, or 2d8 if single target. Spend 1 charge as reaction when damaged to reduce damage by 1d10 + spellcasting modifier.