No deaths, unfortunately this was on scrub mode, I'm sure there would have been deaths on Legend difficulty.
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That's not bad, but once you got used to the enemies and areas it was easy to stay alive. The corridor when fighting the walker, up the stairs for the orb, stomp all the trash mobs. The walker is by far the easiest, I solo'd him in the open world a few times just for the challenge. I feel like he needs another attack for people like me who just hide behind things so he can't hit them.