User blog comment:Andras Lucifer/Mildran Karna Masta fight/@comment-26714618-20160705025056

Easy way to battle against first form and at least 60% of second form:

Charla leader (40 % hp def, bb gauge fill rate, bc drop and bb when attacked + HoT and burst heal)

Sirius or another unit with BB spark buff and status buff, Piany, Ensa, Etc

Stall for BC HC drop hate + barrier, you can use kulyuk, Grahdens and maybe Tridon

Allanon, for Instant BB gauge + Elemental mitigation + BB when attacked, you can use Paris, and defend at right time to survive

Magress for mitigation, if you don t have Allanon, Laberd or Aaron is a good choice I think

and Ark...

I used Charla UBB at phase 1 when karna was about 50%, buff wipe didn't remove angel idol buff from charla, so bring ivris can works too cuz she gave 2 angel idon instead 50% of proc and you can use 2-3 UBB in phase 1 without spend Hero crystal.

The problem is at second phase against this stupid Massive single attack every 6 turn and 60-40 %.... I cant survive against this shit.

I have no omni evo OP like kulyuk or lara / juno seto soo i really need a 7* guide to survive at second phase