Harm level 4 and saving throws

and saving throws

and it can't be attacked or otherwise interacted with

the creature can throw the bead up to 40 feet

The GM has the celestial's statistics

Harm level 4 and saving throwsYou unleash a virulent disease on a creature that you can see within range. The target must make a Constitution saving throw. On a failed save, it takes 14d6 necrotic damage, or half as much damage on a successful save. The damage can't reduce the target's hit points below 1. If the target fails the saving throw, its hit point maximum is reduced for 1 hour by an amount equal to the necrotic damage it took. Any effect that removes a disease allows a