ai_has_warlike_personality

ai_has_warlike_personality = {
	OR = {
		AND = {
			has_trait = despoiler_of_byzantium
			any_held_title = {
				tier <= tier_empire
				OR = {
					empire = title:e_byzantium
					empire = title:e_latin_empire
				}
			}
		}
		vassal_contract_has_flag = admin_ai_is_warlike # Admin vassals with the "Frontier" administration consider it their job to expand
		house ?= { # The unity decision "Organize House Members for War" forces AI house members to adopt this stance
			has_house_modifier = unity_house_organized_for_war_modifier
		}
		AND = { # They are Detractors during the FP3 Struggle in the Unrest Phase
			any_character_struggle = {
				trigger_if = {
					limit = { is_struggle_type = persian_struggle }
					is_struggle_phase = struggle_persia_phase_unrest
				}
				trigger_else = { always = no }
			}
			has_trait = fp3_struggle_detractor
		}
		AND = { # Nomads are not 'unpredictable', they are Warlike instead
			government_has_flag = government_is_nomadic
			ai_has_cautious_personality = no
			economical_ai_guts_trigger = no
		}
		AND = {
			ai_boldness > 0
			ai_greed >= 0
			
			OR = {
				has_trait = wrathful
				has_trait = impatient
				has_trait = sadistic
				has_trait = ambitious
				has_trait = vengeful
				has_trait = zealous
				has_trait = irritable
				AND = {
					ai_boldness >= 50
					ai_greed >= 50
				}
				AND = {
					ai_boldness >= 25
					ai_greed >= 100
				}
				AND = {
					ai_boldness >= 100
					ai_greed >= 25
				}
				government_has_flag = government_is_tribal
				culture = { has_cultural_pillar = ethos_bellicose }
			}
			
			NOR = {
				ai_compassion >= 75
				has_trait = compassionate
				has_trait = craven
				has_trait = calm
				faith = { has_doctrine_parameter = pacifist }
				culture = { has_cultural_parameter = reduced_cost_for_conversion_to_pacifist_faith }
				house ?= {
					has_house_modifier = unity_house_focused_on_economy_modifier
				}
				vassal_contract_has_flag = admin_ai_is_builder
			}
		}
		# Or we're on the warpath.
		has_variable = imperial_expedition_charged
		#Or our Devaraja decrees it
		AND = {
			OR = {
				is_tributary = yes
				is_independent_ruler = no
			}
			overlord ?= { has_realm_law_flag = subjects_appear_more_warlike }
		}
		#Weight the AI according to their Aspect
		house ?= { has_house_aspiration_parameter = aspect_of_destruction }
	}
	NOR = { 
		has_variable = conqueror
		#Weight the AI according to their Aspect
		house ?= {
			OR = {
				has_house_aspiration_parameter = aspect_of_creation
				has_house_aspiration_parameter = aspect_of_serenity
				has_house_aspiration_parameter = aspect_of_trickery
			}		
		}
	}
}

As written in game/common/scripted_triggers/00_ai_value_triggers.txt.