"Dead Water" official campaign for Wesnoth (branch 1.12)

 This package contains the "Dead Water" campaign for Wesnoth:
 "You are Kai Krellis, son and heir of the last merman king but only a child. A
 necromancer is turning your subjects into undead slaves! Lead your people on a
 mission to convince a powerful mer-sorceress to help you repel the invasion.
 The oceans near the Northern Lands are perilous, so you will need cunning and
 bravery to survive. But first you need to gain the respect of your troops!"
 (Intermediate level, 10 scenarios)
 .
 Battle for control of villages, using variety of units which have advantages
 and disadvantages in different types of terrains and against different types
 of attacks. Units gain experience and advance levels, and are carried over
 from one scenario to the next in a campaign.