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[ReloadPsi]

No, no, and no. Also no.

FFX-2 isn't connected to FFVII, they just threw that extra crap in for the lulz.

FFVIII isn't connected to Chrono Cross; I think even Future Esthar realised that as he's been gone a long time.

FFIX is a pastiche on the first five games. It's not meant to be directly connected.

FFII isn't a sequel to FFI. There's nothing in the game that will imply that, and the NPC saying "WARRIORS, revive the power of the ORBS!" was a joke by the fan translators.

Kain Highwind, Richard Highwind and Cid Highwind are not related.