The Northern Lords achievement

Miklagarðaríki

Starting and staying as a North Germanic Ásatrúan of any kind, Completely Control the Kingdom of Thessalonika & hold any Empire without holding Byzantine Empire. May not be available for characters created in the Ruler Designer.

Conditions as the game checks them

Possible decides whether the achievement can still be earned in a run; happened is the check that unlocks it (common/achievements/_achievements.info).

Unlocks when (happened) (11 lines of game script)

custom_description = {
	text = miklagardariki_achievement_trigger
	fp1_achievement_culture_plus_religion_norse_trigger = yes
	completely_controls = title:k_thessalonika
	highest_held_title_tier >= tier_empire
	NOT = {
		any_held_title = {
			this = title:e_byzantium
		}
	}
}

As written in game/common/achievements/fp1_achievements.txt.

Still possible while (possible) (7 lines of game script)

exists = global_var:started_miklagardariki_achievement
NOT = {
	is_target_in_global_variable_list = {
		name = unavailable_achievements
		target = flag:rd_character_blocked_miklagardariki_achievement
	}
}

As written in game/common/achievements/fp1_achievements.txt.

Source: game/common/achievements/fp1_achievements.txt, game/common/achievement_groups.txt and the English localisation, Crusader Kings III 1.20.0.3. Unlock share: Steam Web API, 2026-10-02.