setIcon("minecraft:ghast_tear")
setTranslatedTitle("advancements.nether.uneasy_alliance.title")
setTranslatedDescription("advancements.nether.uneasy_alliance.description")

setFrameType("challenge")

addParent("triumph:vanilla/nether/return_to_sender")

setRewardExperience(100)

criteria = addCriteria("killed_ghast", "minecraft:player_killed_entity")

criteria.setEntityType("minecraft:ghast")
entityData = criteria.getEntityData()
location = entityData.getLocationData()
location.setDimensionType("overworld")