How much units i need?

I am at level 53 and pushing for cavalier i am stuck at 6.1.6
I used up all my revives and potions on 6.1.1- 6.1.5. My team ia 5*r4 aegon, 6* r1 annihilus, 5*r4 warlock, 5*r4 medusa and 5*r3 quake.
I tried to complete it before but got stuck on that unblockable regen path.
Any idea if i think of using units then how much i need?
I used up all my revives and potions on 6.1.1- 6.1.5. My team ia 5*r4 aegon, 6* r1 annihilus, 5*r4 warlock, 5*r4 medusa and 5*r3 quake.
I tried to complete it before but got stuck on that unblockable regen path.
Any idea if i think of using units then how much i need?
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Comments
But I will try once again tomorrow.
If i get succeded to complete it then i will open my second 6*(wishing for doom).