Complex sentence: However, at the conclusion of the battle, as MegaMan.exe and ProtoMan.exe are set to deliver the finishing blow, they discover he isn't evil, and Lan's father transforms him into a full-fledged Navi.
Split into simpler sentences: However, at the conclusion of the battle, as MegaMan. EXE and ProtoMan.EXE are set to deliver the finishing blow, they discover he isn't evil, and Lan's father transforms him into a full-fledged navi.