Disciple Of Death

once per turn you may touch a creature and that creature must make a constitution saving throw if failed, they will take 2d12 necrotic damage and user will regain half of the damage taken as health and if you are already at full health it converts to temporary hp. if succeed on a constitution saving throw take half damage. the save succeed is 14

at spell 7th level roll 3d12 necrotic and 9th level is 4d12 necrotic