How to beat Loki: Get lvl99 on all updgrads. Get excalibur from level 19. Use AMU-Valkyrie. Time-Disrupt as soon as you can. When you chain 200k dmg, get hit by any bullet to get the 50% overdrive bonus. Quickly build up another 200k and get the balance 50%. Activate 2nd overdrive before the 1st overdrive ends. Spam him till he dies.
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