Ghoultar
Scythe Master Ghoultar was one of the Ghost Warriors . He was at one point banished to the Cursed Realm . After Morro escaped from the Cursed Realm, he conjured Ghoultar, Soul Archer , and Bansha using the Allied Armor , as Morro sought to locate the Tomb of the First Spinjitzu Master . The ghosts went to Nya 's Samurai X Cave , where Ghoultar corrupted the Samurai Mech for Morro. . Ghoultar helped Morro in his quest, traveling up the Wailing Alps and into the Caves of Despair in a series of attempts to stop the ninja . Eventually, Morro claimed the Realm Crystal and traveled to Stiix , where he opened the Cursed Realm and released its prisoners and the Preeminent . Ghoultar fought against the ninja in the ghost invasion , eventually joining the Preeminent as she walked out into the Endless Sea . When Nya unlocked her True Potential , she created a massive tidal wave that drowned The Preeminent and destroyed the Cursed Realm, ultimately killing Ghoultar and the other ghosts. .