Health essentially refers to the health of your tower. However, “Health” can refer to a multitude of different aspects of the game, including, but not limited to:
- the health level in your workshop,
- the health level in your lab,
- the health points of your tower,
- the health points of your wall,
- the health card,
- the health perk,
- the health points of your enemies,
- to be a “health build / effective Health Points (eHP) build” that relies on health and survivability to progress in the game (e.g., as opposed to a damage / Glass Cannon builds),
- and so on.
You unlock this lab in Milestones by unlocking labs, which you do by reaching Tier 1 wave 30.
- Health - Lab values, costs, and duration (99 levels)
The Health Card increases your health points by a multiplier.