As others have mentioned already WC is the best fighter box as it has all the buffs you need. The fact that it buffs the party alone is a massive advantage as you don't have to worry about mana. Remember that you would want to level a wolf, at high levels its powerful. Now WC doesn't have Wind Walk but you can use potions for that so it isn't a major problem.
You can go with SE and PP if you want to get resists and VR however that means you need to level another box. The benefit of this setup is you have decent heals from the SE and resurrection from PP and SE. WC heals sucks and doesn't