ehm lol.. after soo many weeks i got to setup my own whale ship party, thanks to your advices... aand result pure r*pe of my ship O.o so i thought maybe i have wrong type of ship and went other type of boss with same result Q.Q then i noticed my "new" ship has kinda low power but had no idea why so i looked at that premade one and found problem... it had 8 teams instead of 4 =)) lmao good thing to know after 2+years of playing o)
so i guess blooming 5* can help whale ship too then