[X] Training Kei: What Do You Mean 593?
With the mednin notes we have, we can go from Mednin 10 to Mednin 30 without spending a single XP. The overall cost of a level 30 skill is 465 XP, and we only pay 55 XP to reach it, so the efficiency of this pyramid stat is not just halfcost like elemental jutsu, but
eighthcost. It's ridiculously efficient for when we get to that part of the build process where we need a ton of low-level skills to support anything higher at our capstone.
Plus, having competent mednin skills means you're able to heal yourself and others when you're out in the field. Mednin 30 isn't crazy good but it's enough to say 'we have a Mednin on the team'. I'll leave why that's important for Tsunade to explain