Great job! Pirate Captain pairs up better with Selenia Sky than original Blue Summoners, and transforms into an effective sniper. I don't have Selenia so Pirate Captain basically becomes cannon fodder most of the time XD

Yeah, Cyclops is a good shield. It has a literal Shield skill at Level 4. I was looking into the unlocked skills of all monsters recently, and was surprised that there's an excellent neutral ranged tank in Cyclops.