Magical energy can be difficult to harness when one's brain is aflame. If a spellcaster provokes an attack while casting a spell and you are within kicking range, you may make a kick attack to his head with a 20% chance of causing him to miscast the spell.

He who kicks a foe when he is down will not have to kick him when he is up. Make an extra kick attack against a prone foe, in addition to a full unarmed attack. This kick does 1d4 + Strength damage and goes off your highest attack modifier.

The ignorant can often be silenced with a blow to the temple. You may opt to make an extra kick attack (1d4 + strength) at your highest attack modifier instead of delivering an Insult of Opportunity. Of course, you must be within kicking distance to achieve this.