nerge_rewards_effect

nerge_rewards_effect = {
	if = {
		limit = {
			scope:activity.var:activity_special_type_progression < 25
		}
		scope:host = {
			add_dread = unimpressive_nerge_dread_value
		}
	}
	else_if = {
		limit = {
			scope:activity.var:activity_special_type_progression < 50
		}
		scope:host = {
			add_dread = regular_nerge_dread_value
			add_prestige = regular_nerge_prestige_value
			add_gold = regular_nerge_gold_value
			add_legitimacy = regular_nerge_legitimacy_value
		}
		scope:activity = {
			every_attending_character = {
				custom = every_nerge_character
				limit = {
					NOT = { this = scope:host }
				}
				add_prestige = regular_nerge_guest_prestige_value
			}
		}
	}
	else_if = {
		limit = {
			scope:activity.var:activity_special_type_progression < 75
		}
		scope:host = {
			add_dread = impressive_nerge_dread_value
			add_prestige = impressive_nerge_prestige_value
			add_gold = impressive_nerge_gold_value
			add_legitimacy = impressive_nerge_legitimacy_value
		}
		scope:activity = {
			every_attending_character = {
				custom = every_nerge_character
				limit = {
					NOT = { this = scope:host }
				}
				add_prestige = impressive_nerge_guest_prestige_value
			}
		}
	}
	else_if = {
		limit = {
			scope:activity.var:activity_special_type_progression < 100
		}
		scope:host = {
			add_dread = great_nerge_dread_value
			add_prestige = great_nerge_prestige_value
			add_gold = great_nerge_gold_value
			add_legitimacy = great_nerge_legitimacy_value
		}
		scope:activity = {
			every_attending_character = {
				custom = every_nerge_character
				limit = {
					NOT = { this = scope:host }
				}
				custom_tooltip = nerge_commander_trait_tt
				add_prestige = great_nerge_guest_prestige_value
			}
		}
	}
	else_if = {
		limit = {
			scope:activity.var:activity_special_type_progression >= 100
		}
		scope:host = {
			add_dread = fantastic_nerge_dread_value
			add_prestige = fantastic_nerge_prestige_value
			add_gold = fantastic_nerge_gold_value
			add_legitimacy = fantastic_nerge_legitimacy_value
			add_martial_skill = fantastic_nerge_martial_value
			# MPO ACHIEVEMENT Shut up, Nerge
			if = {
				limit = { is_ai = no }
				add_achievement_global_variable_effect = {
					VARIABLE = mpo_shut_up_nerge_achievement_unlocked
					VALUE = yes
				}
			}
		}
		scope:activity = {
			every_attending_character = {
				custom = every_nerge_character
				limit = {
					NOT = { this = scope:host }
				}
				custom_tooltip = nerge_commander_trait_tt
				add_prestige = fantastic_nerge_guest_prestige_value
				add_martial_skill = fantastic_nerge_guest_martial_value
			}
		}
	}
}

As written in game/common/scripted_effects/00_hunt_effects.txt.