My little linker is built primarily for MVPing, so I like having the vit. Extra HP buffer is very nice, since you have to take the hit before you can heal. And immunity to stun and silence? Golden.
That being said, provided your flee is high enough to work, any agi will reduce your SP consumption. Flossie is usually tapped out after about 5 minutes, and has to sit and rest.
Kroggles ensures the living stay living, and the dead stay dead.
Clobberella beats you up.
Teela Brown has a birdie!
Flosshilde communes with the very souls of the damned.
Walsung is actually pretty cool. For a guy made of metal.