Probably gotta KO someone tbh, RP purposes it would be cool for some story-based cursed seal arcs or something.
(Iryo Fuuinjutsu: Setsuzoku no Chakra) Medical Sealing Technique: Chakra Link
Type: Supplementary
Rank: S-Rank
Range: Short
Chakra: 40 (-100 per turn for the user, +100 per turn for...