With the launch of Stormblood

[Ultimatecalibur]

Anyway I'm not against what you suggested, having all 3 tanks viable for either slot, I'm just saying that's a lot harder to balance, and a lot more things can (and probably will) go wrong. Since we don't get a new tank in 4.0 I guess that's the road SE is trying to follow, so let's just see how it goes.

Actually balancing 3 compositions now and adding a forth tank and balancing 3 new compositions later is easier than adding a forth tank now and then trying to balance 6 compositions.