What makes a good Executioner in CK3?

Intrigue Skill Intrigue × 2.5 (max 50), Prowess Skill Prowess × 2 (max 50), Torturer +25, Sadistic +20 and Learning the Ropes +10 (the game's aptitude breakdown, patch 1.20.0.3).

What does the Executioner give?

Terrible: Dread Gain +5%, Dread Decay -5%; Poor: Dread Gain +10%, Dread Decay -10%; Average: Dread Gain +15%, Dread Decay -15%; Good: Dread Gain +20%, Dread Decay -20%; Excellent: Dread Gain +25%, Dread Decay -25%.

Royal court

Executioner

Executioner is a court position in Crusader Kings III; its aptitude rests on Intrigue. At excellent aptitude it gives Dread Gain +25%, Dread Decay -25%. Aptitude also comes from Torturer (+25), Sadistic (+20) and Learning the Ropes (+10). Patch 1.20.0.3, from game/common/court_positions/types/00_court_positions.txt.

Quick answers (3)

What makes a good Executioner in CK3?: Intrigue Skill Intrigue × 2.5 (max 50), Prowess Skill Prowess × 2 (max 50), Torturer +25, Sadistic +20 and Learning the Ropes +10 (the game's aptitude breakdown, patch 1.20.0.3).
What does the Executioner give?: Terrible: Dread Gain +5%, Dread Decay -5%; Poor: Dread Gain +10%, Dread Decay -10%; Average: Dread Gain +15%, Dread Decay -15%; Good: Dread Gain +20%, Dread Decay -20%; Excellent: Dread Gain +25%, Dread Decay -25%.
What tasks can the Executioner do?: Terrify Court.

Executioners are criminals who, in exchange for their freedom, have to execute any and all enemies to the throne. Some would call it an honor, some a burden.

What it gives you, by aptitude

The holder's aptitude (see below) sets the level: levels start at 20, 40, 60, 80.

Terriblebelow 20
- Dread Gain+5%
- Dread Decay-5%
Poor20+
- Dread Gain+10%
- Dread Decay-10%
Average40+
- Dread Gain+15%
- Dread Decay-15%
Good60+
- Dread Gain+20%
- Dread Decay-20%
Excellent80+
- Dread Gain+25%
- Dread Decay-25%

• Can publicly Execute Prisoners for increased Control and Popular Opinion The character's crimes are forgiven

What makes a good Executioner

The game's own aptitude breakdown for this position — every part it adds up:

Part	Aptitude
Intrigue Skill	Intrigue × 2.5 (max 50)
Prowess Skill	Prowess × 2 (max 50)
Torturer	+25
Sadistic	+20
Learning the Ropes	+10

The holder gets

Tasks

Terrify Court
This character is paraded around in court to ensure that everyone knows that they are only one step away from the chopping block.
Costs 0.05 prestige a month

Other rooms and names

The game picks the room by the ruler's government or culture.

Who may hire it (valid_position) (2 lines of game script)

is_landed_or_landless_administrative_or_theocratic = yes
highest_held_title_tier >= tier_kingdom

As written in game/common/court_positions/types/00_court_positions.txt.

Who may hold it (valid_character) (5 lines of game script)

scope:employee = {
	executioner_validity_trigger = {
		EMPLOYER = scope:liege
	}
}

As written in game/common/court_positions/types/00_court_positions.txt.

Shown when (is_shown) (13 lines of game script)

is_landed_or_landless_administrative_or_theocratic = yes
has_ep1_court_positions_dlc_trigger = yes
NOR = {
	government_has_flag = government_is_nomadic
	government_has_flag = government_is_celestial
}
trigger_if = {
	limit = {
		is_ai = yes
		highest_held_title_tier <= tier_county
	}
	always = no
}

As written in game/common/court_positions/types/00_court_positions.txt.

Source: game/common/court_positions/types/00_court_positions.txt, common/court_positions/tasks, common/script_values and the English localisation, Crusader Kings III 1.20.0.3. Salary is the base before the realm-size and cultural-era multipliers.