Feat: Hulking Size
Your eidolon grows substantially. Your eidolon becomes Large, instead of their previous size, and their reach increases to 10 feet. This doesn't change any of their other statistics.
Pathfinder 2e Database
Your eidolon grows substantially. Your eidolon becomes Large, instead of their previous size, and their reach increases to 10 feet. This doesn't change any of their other statistics.