> For the complete documentation index, see [llms.txt](https://october-studio.gitbook.io/monster-survivors-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://october-studio.gitbook.io/monster-survivors-documentation/upgrades/upgrade-types.md). # Upgrade Types Upgrades are the prermanent stats modifiers that do not disappear after the end of the stage. They are bought with the in game currency and act as a global progression of the player. The template features premade 5 abilities with the possibility to add more.
IdUpgradeDescription
1 ArmorIncreases the damage resistance of the player
2 DamageIncreases the damage the player deals to the enemies
3 HealingIncreases the amount of HP the player gets from health drop
4 HealthIncreases the Max HP of the player
5 ReviveAllows the player to revive after death once per stage
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