The Pathway to Invulnerability

Kaede drops all her stat points into defense, breaking the game in more ways than one.

Since the subs didn't translate it, Giant Killing's effect doubles all her core stats (not HP/MP) if at least 4 of them are lower than her opponent's and since STR, AGI, INT and DEX are left at 0 it's always active.

Example of:
Min-Maxing