It makes the final bit of the sewers as you escape the prison a bit more immersive by reducing the light level and adding water to the sewers, as well as a few other things. But most importantly, it places the final sewer tunnel exit in the worldspace.

Updates esp to V 1.2 for vanilla version compatible with Liquid water.

Updates esp to V 1.2 of NRB version compatible with Liquid water.

Updates esp to V 1.2 esp for UL Imperial Isle compatible with Liquid water.