#first death
execute if score .last_gladiator_kills progression matches 1 if entity @a[advancements={main:dialogs/boss/last_gladiator/on_death/specific/first_encounter=false}] run return run function main:dialog/start {"folder":"boss/last_gladiator/on_death/specific/","allow_skip":"1","id":first_encounter}

#other shit
function main:dialog/id/boss/last_gladiator/on_death/regular/random