Left Path Differences

OC
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Left Path before Cerberus.
Skip AP Boost on Ledge before Demyx.
Menu before Pete:
 - Use AP Boost and Power Boost.
 - THAT'S IT. Don't equip aerial spiral.
Menu after Pete:
 - -Guard, +Trinity.
Have to play Hydra a little differently with no Aerial Spiral.

BC
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Haven't tried CL Strats on Thresholder without Aerial Spiral, but shouldn't be too bad.
Menu after Beast:
 - +Aerial Spiral instead of +Guard.

DC
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Get the Ether on hedge. (Since you skip the one before Cerberus)

HT
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Menu:
 - +Guard instead of +Reaction Boost.

HB3
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Menu after Demyx:
 - -Guard, +Reaction Boost.

Rumbling Rose
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Menu after getting Rumbling Rose:
 - +Guard.

LoD2
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Menu after landing:
 - -Guard.

TWTNW
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If you DO NOT use Slapshot from Now -> Xemnas I

Menu after Axel Fight:
 - -Slapshot, -Draw, +Aerial Finish, +Guard, +Magic Lock-On.

Menu before Final Door:
 - -Guard, +Slapshot.

If you DO use Slapshot from Now -> Xemnas I

Menu after Axel Fight:
 - -Draw, +Magic Lock-On, +Aerial Finish

No guard for Saix, just stand still and get hit at the start.