Dragon's Mountain - Technique
B Iron Forest Style
Rank: 2
Activation: When you make a Martial Arts [Melee] check using a polearm, you may spend L in the following way:
L+: The area in range of your weapon counts as Dangerous terrain for one target of your action per L spent this way. When an affected character attempts to move closer to you, they must make a TN 4 Fitness check (Air 2, Water 5); if they fail, they cannot advance. This effect persists until the start of your next turn.
Source: Core Book Pg. 180