Bosses

Bosses are the hardest to kill.

=Boss Monsters=

Diablos
Note: The Low and High Rank Diablos Ridge are titled the same thing in-game. For identification purposes, this chart will list the High Rank Ridge as "Diablos Ridge+"

Deviljho
=Elder Dragons=

Jhen Mohran
Note: Upper Rank Jhen Mohran is only available through an Event Quest

Alatreon
As Alatreon's data is not in the data book, percentage values have been taken from http://www1.atwiki.jp/mh3wii/pages/180.html