What is confirmed
The official post says Bloodthirst tiers can improve multiple Michael attributes, including damage resistance, grab strength, melee damage, ability cooldowns, and Shape Jump speed. It does not provide a complete public tier table here.
Practical approach
Treat those documented categories as context, then verify current in-game effects after balance patches.
Official sources
- [Official game website](https://halloweengame.com/) - [Official launch announcement](https://halloweengame.com/news/halloween-the-game-out-now) - [Official Patch 1.0.2 notes](https://halloweengame.com/news/patch-notes-1-0-2) - [Official Steam listing](https://store.steampowered.com/app/3219630/Halloween/)