Below is a helpful guide to the major bosses of Final Fantasy 13-2. Down below are the most significant ones within the game. Each of them poses a unique challenge that if you run into unprepared for can really ruin your fun. Something that can not be said enough throughout this guide is how useful Synergy can be. Protect and Shell are great spells, make sure you use them and make sure to check out each accompanying video to find out how to really but these bad guys to rest for good.
Gogmagog
Atlas
Mutantomatoe
Caius
Proto Fal'Cie Adam
Amathyst and Luvulite
The Bahamuts
Optional Bosses
Long Gui
Immortal
Ochu
Yomi
