Mess Hall
The Mess Hall increases Vitality, which the guide says raises maximum HP, and has ten levels.
How it works
The guide lists the Mess Hall as starting at 50 gold, with ten levels, and says it becomes available after unlocking the Archery Range. Each upgrade increases Vitality and raises maximum HP. The passage does not give the amount of Vitality or HP gained per level, nor later level costs.
Read the supporting references
A source-bounded reference to ten named Rogue Legacy 2 Manor upgrades and their described effects, prerequisites, and level counts in the IGN passage. It does not establish current patch status, exact costs beyond quoted descriptions, comparative effectiveness, or complete game coverage. Guidance explains the referenced mechanics; it is not a tested damage ranking. Check the stated edition and source version before applying a patch-specific detail.