Prison Destruction is the third stage in Sub-chapter 19
Difficulty
A very annoying level. Three Metal Hippoes spawn at the start, followed by three Owlbrows. Then there are, in sequence:
Bore
3 x Owlbrows (+ extra HP + extra DMG)
Gory Black (+ extra HP)
Shadow Boxer K (+ extra HP)
Metal One Horn (+ extra HP)
Strategies
Walkthrough