Finally became Uncollected! Was determined, only took 2 L2 Team Revives, I L1 team revive, 3 l2 revives and 9 l4 team health potions. Not the best use of resources, but I'm happy to have finally done it!
Feel free to give reasons for either answer.
What champ did you get from the 5* crystal from the arena? I'm very happy with mine...