> For the complete documentation index, see [llms.txt](https://xtop-pet.gitbook.io/xtoppet-whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xtop-pet.gitbook.io/xtoppet-whitepaper/pet-system/pet-upgrading.md).

# Pet Upgrading

Pet growth and upgrades are crucial for player progression within XTopPet. The following are the specific pathways and details for pet upgrading: