Are all the alliance raids a continuous storyline itself?

[LaylaTsarra]

You need to do the Invalice raids: Rabanastre, Ridorana Lighthouse and Orbonne Monastery and have completed the SHB main story.

[zcrash970]

You need to do the Invalice raids: Rabanastre, Ridorana Lighthouse and Orbonne Monastery and have completed the SHB main story.

I thought it was just the crystal tower raid for 5.3

[Brightamethyst]

I thought it was just the crystal tower raid for 5.3

It is.

Ivalice isn't required by the MSQ but it's a prerequisite to unlocking Bozja.