Legacy of Persia achievement

All Your Caliphate Are Belong To Us

Take the 'Dominate the Caliph' foundation as part of the Abbasid Humiliation ending in the Iranian Intermezzo Struggle.

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) (4 lines of game script)

custom_description = {
	text = fp3_vassalize_the_caliph_achievement_trigger
	has_character_flag = fp3_vassalize_the_caliph_achievement_unlocked
}

As written in game/common/achievements/fp3_achievements.txt.

Still possible while (possible) (1 line of game script)

exists = struggle:persian_struggle

As written in game/common/achievements/fp3_achievements.txt.

Source: game/common/achievements/fp3_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.