Will the AI accept Break with Elder?

Yes: it is accepted automatically.

Interaction · Hostile actions

Break with Elder

No costAccepted automatically

Stop being the recipient's Disciple

What you need

You

If played by the AI: Num of relation elder more than 0
Has the target as elder

Break with Elder is a hostile character interaction in Crusader Kings III. Accepted automatically. Patch 1.20.1.2, from game/common/character_interactions/10_tgp_interactions.txt.

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Quick answers (1)

Will the AI accept Break with Elder?: Yes: it is accepted automatically.

Will they accept?

The other character has no choice: the game accepts it automatically.

What happens

Effects

remove_relation_elder = scope:recipient
The character you target:
- Opinion: Refused to Be My Disciple (-50)
- Event tgp_interaction_event.0030

Events it fires: tgp_interaction_event.0030

• the game's own tooltip text · ◦ our reading of the script line · code the script where neither exists

Who can use it and sees it (is_available, is_shown) (9 lines of game script)

is_available = trigger_if = {
	limit = {
		is_ai = yes
	}
	num_of_relation_elder > 0
}
is_shown = scope:actor = {
	has_relation_elder = scope:recipient
}

As written in game/common/character_interactions/10_tgp_interactions.txt.

Effects (on_send, on_accept, on_decline) (11 lines of game script)

on_accept = scope:actor = {
	remove_relation_elder = scope:recipient
}
scope:recipient = {
	add_opinion = {
		target = scope:actor
		modifier = refused_to_be_disciple_opinion
		opinion = -50
	}
	trigger_event = tgp_interaction_event.0030
}

As written in game/common/character_interactions/10_tgp_interactions.txt.

Category: Hostile actions
In the menu: under More…
ID: break_with_elder

Source: game/common/character_interactions/10_tgp_interactions.txt and the English localisation, Crusader Kings III 1.20.1.2. “You” is the character who sends it (scope:actor, or a puppet acting for you); “the character you target” is the recipient.