1. Middle ledge
2. Going to ogre spawn room for ogres
3. Using titan bubbles
4. Using red death or suros to regen health
5. Using helmets that regen health with orbs
6. Using gjallahorn to take crota down
7. Intentionally spawning orbs
8. Using heavy synth
9. Hiding in crystal room between sword bearers.
10. Using a bladedancer Hunter to sword
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Also you forgot 11. Using Weapons Everyone knows the whole raid was meant to be played with melees only.