Monsters of Aquilae Volume 1 (PF1)

From publisher blurb:

Monsters of Aquilae is an enormous bestiary consisting of more than 200 brand-new monsters.

Each of these monsters is designed you can use immediately in any campaign setting and any plot or story.

Each monster features all of the following:

4 complete statblocks
Physical description
Encounter behavior
Story hooks & quest snippets for introducing the monster into your game
Actions and Special Qualities
Environmental description
Lore: Commonly-known information about the monster, as well as Expanded Lore, only available to a PC who passes Knowledge or related checks to uncover the info
Although presented in Pathfinder rules format, she may serve as ample inspiration for P2E, 5E, or any fantasy rules system.