circuit spark can save your ass =\ what's better, using all your circuit to break out of a combo or take the combo and die?
although if your playing against the cpu yeah its mostly a waste of circuit and an accident. against players though who do longer combos and blockstrings and whatnot then its like a get out of jail free card. Unless they bait it
Circuit spark itself is unblockable, fairly large range knockback around you (so unless its projectiles, itll wallslam whoevers hitting you) but its clashable (probably able to be dodged too). Having it clashed, baited/predicted, etc will lead to pain. losing all your circuit AND dying
dodge has a few uses but its very situational and you have to be some sort of psychic mind reader. The problem with dodge is that there is recovery on it where you are both no longer invincible and cannot block/dodge again/attack. So if they recover from their whiffed attack faster than you (or it's a multi hitting attack) its meaningless and youll just get hit anyways. Only times i've seen dodge being put into use is a) against someones arc drive and b) some crazy mindreading games where he dodged nanaya's (i think?) slide kick 2C, causing him to slide through him into the corner and then be beaten up before he could recover.
Circuit spark saves lives when used correctly.
Dodge has very very very limited uses. Don't just throw it out there randomly.