Since everything will be available to purchase at the shop as well as find in the field, you'll be presented with 3 choices:
1) buy the cheaper passive ability that raises defense but takes magic?
2) save up for the permanent upgrade
3) try to find it in the field somewhere
snouts.online is a friendly, furry-oriented, lgbtq+, generally leftist, 18+ sex-positive community that runs on mastodon, the open-source social network technology. you don't need a snout to join, but it's recommended!