Send a Life Support robot to an ally for (3/4/5) seconds. Each time the ally is attacked, the robot will heals the ally for 80% of the Hero's attack power.
Using a skill block after ally uses a chain-3 skill, will send a Life Support robot to all allies for 5 seconds. This robot also increases the ally's attack power by 2% for 5 seconds each time the ally is hit. (once every 3 seconds).