2 glowing, green orbs move in a spiral motion, the target must make a constitution save or take 2d8 damage, on a successful one, half, the caster heal half of the damage (rounded down) to any creature other than the target in 15 feet of itself

At higher levels. This spell does 1d8 more damage for every level above 2nd, if casting at level 5, you can split the halved damage again as many times as you like until it is 1 to heal as many targets as the dividend was