Mob and Boss fleet help

[topaz anvil]

Hey, i need help with making a good mob and boss fleet. I got a few new ships recently and i am at world 7.4

[gray heath]

mob: seydlitz perseus indomi phoenix z46 emden
boss: vanguard howe enterprise portland helena z23
just keep using what you’re using right now until you can raise the ships above to competent level and fully limit break them