FFX riddles

[Dynast-Kid]

Oh! Is it the journey through the Thunder Plains?
Flourescent Light - The lightning
Through the twilight night - It's forever dark there?
Causes azure and ruby to emerge - Not a clue...
Fight through the pain and you will gain the sign of the rings - If you dodge 250 (I think) consecutive lightning bolts you earn Saturn Sigil, the planet Saturn has rings...
That was mostly based on the last bit to be honest

One of your lines is half right.

Hint: It happens three different ways.

Hint: The event is optional.

Hmmm....This is tough...