So currently, im planning on implementing my budget unkillable. but I need to replace one or two of them since I can only deal 30m per key on UNM 

My current team is 

Maneater,Painkeeper,catacomb councilor(ally attack), Frozen banshee(4:3 DPS)  and bulwark(Stun target)

My current options to add is:

Lutheia                           reason: A1 poison and high multiplier

Rictoff the bold             reason: A2 poison and A3 can deal up to 100% additional crit

Jotun                             Reason: Weak def down , HP burn and HP based 

Fenax                             Reason: will hit twice with high multiplier due to debuff, High multiplier A3 with
                                     decrease def

Karam                            Reason: Poison A1 and team is almost zero HP during unkillable so will deal max
                                      damage on A2, Poison explosion on A3

Alika                              Reason: Chance for double hit A1 , A2 will ignore 50% armor with high multiplier

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