Blasting Agent: Ultimate Edition

This ability is unlocked by killing 100% of enemies and collecting 100% of gold whilst playing on the Hard Difficulty setting. Once you beat the boss at the end of the level the trophy will pop. Remember to backtrack if needed but don't enter the boss battle door until you have 100% completion.

This is the first Boss Battle that comes in 2 phases:

Phase one will place you up against your enemy whilst he floats in mid air. Once you have taken enough life off of him he will begin to float down towards you whilst firing fireballs at you. During this phase, enemies will also come at you from the doors either side of the level.

Once you have taken all his life you will move into the second phase. During this you come up against an over-sized robot who can only take damage in the head. Use the steps placed to make your way up and and down. Avoid the robots fire from his arm, as well as the fireballs shot at you from the side of the screen.