Slaine: The Horned God: v. 1 (A 2000 AD graphic novel)

"Ukko the dwarf narrates the story of how Slaine came to be crowned High King of Tir-Nan-Og...The people of Tir-Nan-Og, the "Land of the Young", have suffered for some time in the clutches of the Drunes, strange druids who have poisoned the very land itself with their vile magic. Slaine has had enough of their tyranny, and "communes" with the Earth Goddess to discover some shocking truths about the priesthood and his own future! Now Slaine must unite all four kings of Tir-Nan-Og to gain the use of their mystical weapons, as he and his Sessair tribe prepare for all-out war!"--Publisher's description.