petition_head_of_faith_repentance_confess_duel_effect

petition_head_of_faith_repentance_confess_duel_effect = {
	add_character_flag = petition_head_of_faith_argument_confess
	duel = {
		skill = diplomacy
		value = scope:recipient.learning
		12 = {
			desc = petition_head_of_faith_repentance_confess_duel_success
			compare_modifier = {
				value = scope:duel_value
				multiplier = 1
			}
			# Diplomacy education bonus (scaled by level)
			modifier = {
				has_trait = education_diplomacy_5
				add = 6
			}
			modifier = {
				has_trait = education_diplomacy_4
				add = 4
			}
			modifier = {
				has_trait = education_diplomacy_3
				add = 2
			}
			modifier = {
				exists = scope:petition_gravest_sin
				add = 5
			}
			modifier = {
				NOT = { exists = scope:petition_gravest_sin }
				add = -5
			}
			modifier = {
				num_sinful_traits >= 1
				add = 3
			}
			modifier = {
				num_sinful_traits >= 2
				add = 3
			}
			modifier = {
				petition_head_of_faith_disposition_favorable_trigger = yes
				add = 5
			}
			modifier = {
				petition_head_of_faith_disposition_skeptical_trigger = yes
				add = -3
			}
			modifier = {
				petition_head_of_faith_disposition_hostile_trigger = yes
				add = -8
			}
			min = 1
			petition_head_of_faith_repentance_confess_success_effect = yes
		}
		10 = {
			desc = petition_head_of_faith_repentance_confess_duel_failure
			compare_modifier = {
				value = scope:duel_value
				multiplier = -1
			}
			petition_head_of_faith_repentance_confess_failure_effect = yes
		}
	}
}

As written in game/common/scripted_effects/11_petition_head_of_faith_effects.txt.