Do you guys believe this moon could support life?

[SztEltviz]

Originally Posted by PsychoXR-20

That still doesn't explain:

A) how these planets managed to survive before the Vanu arrived. (gravitational fields, tidal forces etc.)

Roche limit

If the satellite is more than twice as dense as the primary, as can easily be the case for a rocky moon orbiting a gas giant, then the Roche limit will be inside the primary and hence not relevant.

This true for Jupiter (1.4) and Earth (5.5).