I need ISO-8

Illusion0410

I got thronebreaker, and I got a 6 star hercules, 6 star doctor doom, 6 star knull, 5 star spot, 6 star warlock, 6 star hulk and I ranked 3 ibom. How do I get iso, and is this a good haul? Also, any tips for carina's eop or grandmaster gauntlet?

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