Difficulty:

[Hiyuu Tatsuma]

what is the rolls for tecs for difficulty eg.
#31 Oda
A head butt
Requires: none
Difficulty: Hard (dex)

[Wanderweiss]

Ludicrously Easy: (Tier Level) d2
Easy: (1 + Tier Level) d4
Medium: (1 + Tier Level) d6
Hard: (1 + Tier Level) d8
Impossible: (1 + Tier Level) d10

The headbutt is Hard, so you would do 1+(Tier)= #d8 if the rolls are less than 4x the stat associated with it (dexterity) then you'll be able to do it.