Monster Sounds Pack

Cafofo’s Monster Sounds Pack comes with 838 high-quality, game-ready creatures & monsters sounds.
Listen to the preview here
Includes short and long versions for:
Large Creature Sounds suitable for Dragons, Dinosaurs and other Beasts
Small and Large Humanoids suitable for Goblins and Orcs
Hissing Creatures, Insects and Oozes
Zombies, Ghosts, and Demons
Combat Sounds like Stabs and Hits.
Additional Sounds like Wings Flapping, Breathing, and Ancient Language Vocalization.

Each sound effect is an isolated file, with no built-in effects or any background sound, allowing you to manipulate and even combine different creatures to suit your game’s needs.

https://assetstore.unity.com/packages/audio/sound-fx/creatures/monster-sounds-pack-176744