First ever 5/65 suggestion required

So i have fully explored Act 5 and got a couple of T5 basic, I have a bunch of top tier champs at 4/55 who are ultimately gonna be at 5/65 someday, however, for now I can take only one,

Note: The one that will help me THE MOST to complete/explore LOL and Act 6

ALSO, i have a generic awakening gem and a few sigs too,

Comments

Jridenhour_3

That's suppose to be domino

Talhamaziz

Voted for iceman but suggested Domino?

Talhamaziz

THE ONE THAT WILL HELP ME THE MOST IN COMPLETING LOL AND ACT 6

Stewman

Brie or THING

allinashes

I did easy path LoL with Dom, zero units with stash and free crystals. She also put in major work in Act 6, but my MVP there was Ægon. I don't see a 5* Rulk there, he's a must for Act 6, but won't hold you back in LoL.

theMercenary

Domino
With or without Red Hulk she’s my mvp during act 6 exploration.

And LOL easy path.

doctorb

Domino, no contest what so ever

unknown

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Duke_Silver

Or Captain Marvel, can’t go wrong with either of them.

Etjama

With Captain Marvel in very close 2nd.