Complex sentence: After Mechagodzilla's disguise is intentionally burnt off, the two battle, causing the real Godzilla to be severely wounded but inflicts some damage to the machine; both monsters retreat hastily.
Split into simpler sentences: After Mechagodzilla's disguise is intentionally burnt off, the two battle. Causing the real Godzilla to be severely wounded but inflicts some damage on the machine; both monsters retreat hastily.