Clone troopers are only good in AAT. It would be cool to see some Clones in arena too. Imo only 3 of them needs some improvments.
Change his leader skill to a unique.
Veteran Clone Trooper
Clone allies gain 80% Defense and other allies gain half that amount.
Zeta: Whenever an ally falls below 100% Health, that ally gain Protection Up (+30%) for 2 turns.
If that ally is a Clone, CT-5555 Fives taunts for one turn.
Deal Special damage to all enemies and Dispel all positive status effects on them.
Remove 5% TM for each effects dispelled that way. This TM removal cannot be resisted.
Whenever another ally uses a Basic ability during their turn, Echo has a 30% chance to Assist, dealing 40% less damage. This Assist chance is doubled if the attacking ally is a Clone.
Zeta: Whenever Echo assist, inflict a debuff for 2 turns (Attacker: Stun, Healer/Support: Ability Block, Tank: Buff Immunity). Krennic style.
The main dealer of the Clone Troopers. Just modify his basic a little bit.
Z-6 Rotary Blaster
Deal Physical damage to target enemy and gain 50% TM on a critical hit.
This attacks adds 5% Offense for every positive status effects on the target.