Talk:FAQ/@comment-26054613-20150204131231/@comment-26044227-20150204152117

1. It seems the level doesn't directly affect a sword's stats (other than the upgrade at Lv. 20/Lv. 25). But My guess is the level is used as a sort of modifier for how much damage they deal, damage they take, etc. based on their stats.

2. 守 is short for お守り, the charms you can buy from the store that will prevent your sword from breaking if they take lethal damage.