Gate to the Underworld Sea

is a special landmark building introduced in Total War: Warhammer II. It is present in the Eye of the Vortex campaign and can be built by Dark Elves factions, in Clarak Spire in the Plain of Spiders.
The Underworld Sea is a cavernous ocean under Naggaroth that allows Druchii navies to swiftly travel from coast to coast.
==Effects==
* Upkeep: -5% for Black Ark Corsairs units (all armies)
* Recruit rank: +2 for Black Ark Corsairs units (all provinces)
* Income from Ports: +50% (local region)
* Provides garrison:
** 2 Black Ark Corsairs
** 2 Black Ark Corsairs (Handbows)
== Building Chain ==
* Tier III - Gate to the Underworld Sea
Category:Special landmark buildings