You can deliver a special unarmed strike that has a potential to crit more.
Prerequisite(s): One Ilm Punch, BAB +7.
BENEFIT
At 10 TP or more, you may spend all TP to deliver a special unarmed strike that takes a place of an attack of a full-attack or just a single attack. This attack deals damage as normal and your critical hit range and multiplier increases by 1 (apply after all other features that modify critical hit range and multiplier, to a maximum of 4x). At 20 TP or more, you may spend all TP to increase your critical hit range and multiplier by 2 (apply after all other features that modify critical hit range and multiplier, to a maximum of 4x). At 30 TP, you may spend all TP to increase your critical hit range and multiplier by 3 (apply after all other features that modify critical hit range and multiplier, to a maximum of 5x).