Represents the statues sinking and opening up the path to Tourian, but coming from below.

Requires:

"f_DefeatedKraid"
"f_DefeatedPhantoon"
"f_DefeatedDraygon"
"f_DefeatedRidley"

Sets flags: f_TourianOpen

Dev note: If Tourian is locked, coming in from below results in glitched graphics. You can reach the elevator to go back down again or sit through the unlock to get up which in turn can result in persisting glitched graphics.