Survival in Difficulty: Brutal requires more than just keeping track of your health and hunger. The Health Monitor provides a way to track your thirst, body temperature, and limb health.
Every player who joins a world with the Difficulty: Brutal Add-On enabled will receive this item.
If you ever lose your monitor, you can craft a new one like so:

Crafting Recipe
When you hold the Health Monitor item in your main hand, it opens a detailed menu where you can check all your vitals.
If you keep it in your offhand, a condensed version appears next to your hotbar for quick access.

Health Monitor held in Mainhand.

Health Monitor held in Offhand.
| Vital | Info |
|---|---|
| 1 | Thirst Meter |
| 2 | Body Temperature Meter |
| 3 | Limb Health Section |
On the right side of the menu (or above if in the offhand) you can see your currently active adverse effects¹. While holding the menu item, an overlay of your limbs² will also be active. The more damaged a limb is, the more intense the red overlay will be.
![[1] Health Monitor Menu in game.](attachment:5d94230b-dc89-4ea5-84e5-a606ef7315d1:DifficultyBrutal_MarketingScreenshot_7.jpg)
[1] Health Monitor Menu in game.
![[2] Player with damaged limbs.](attachment:49b64125-dc32-47f1-a4a1-6f1e1165dc74:DifficultyBrutal_MarketingScreenshot_2.jpg)
[2] Player with damaged limbs.
The Health Monitor item changes color to warn you when things are getting critical:

Health

Warning

Critical
| Monitor Color | Info |
|---|---|
| Blue | All vitals are at optimal levels. |
| Orange | A vital is approaching a dangerous level and has potentially triggered an adverse effect. |
| Red | A vital is in critical condition, and immediate action is required to avoid severe consequences. |