To Kill-Destory loki:
1. Use AMU:Odin, Equip Lance:3rd tier beam weapon, Lv99 upgrades for all (if you can).
2. Move from corner to corner, buying time to...
3. Activate overdrive. Use this to BLAST Loki in the face to reach 200k+ chain for the 50% overdrive bonus.
4. Repeat step 2, 3 once more, only.
5. Win.
It can help you. It helped me.
Keeps it's freshness. Good music. And the_pretty_colours.... *drool*
Tip: Bring the fight to the yellow orbs. Knock them out and gather ether while you're at it.