Screenshots are from borderlands preview found here by Hugh Norfolk.
(5 points) Gain Iron Hide while interacting with the flame ram.
(15 points) Flame Blast now applies Structural Vulnerability to gates.
New debuff… makes the gate take 1% damage for every stack applied.
(30 points) Reduce recharge of flame ram skills.
(50 points) Skill: Slam Impact – Launch enemies on the other side of the door
(75 points) Skill: Iron Will – Support skill that applies Iron Hide to nearby allies