Kill All Mobs file does not include Phantom:

{
"parent": "minecraft:adventure/kill_a_mob",
"display": {
"icon":

{ "item": "minecraft:diamond_sword" }

,
"title":

{ "translate": "advancements.adventure.kill_all_mobs.title" }

,
"description":

{ "translate": "advancements.adventure.kill_all_mobs.description" }

,
"frame": "challenge",
"show_toast": true,
"announce_to_chat": true,
"hidden": false
},
"rewards":

{ "experience": 100 }

,
"criteria": {
"cave_spider": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:cave_spider" }

}
},
"spider": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:spider" }

}
},
"zombie_pigman": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:zombie_pigman" }

}
},
"enderman": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:enderman" }

}
},
"polar_bear": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:polar_bear" }

}
},
"blaze": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:blaze" }

}
},
"creeper": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:creeper" }

}
},
"evoker": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:evocation_illager" }

}
},
"ghast": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:ghast" }

}
},
"guardian": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:guardian" }

}
},
"husk": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:husk" }

}
},
"magma_cube": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:magma_cube" }

}
},
"shulker": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:shulker" }

}
},
"silverfish": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:silverfish" }

}
},
"skeleton": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:skeleton" }

}
},
"slime": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:slime" }

}
},
"stray": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:stray" }

}
},
"vindicator": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:vindication_illager" }

}
},
"witch": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:witch" }

}
},
"wither_skeleton": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:wither_skeleton" }

}
},
"zombie": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:zombie" }

}
},
"zombie_villager": {
"trigger": "minecraft:player_killed_entity",
"conditions": {
"entity":

{ "type": "minecraft:zombie_villager" }

}
}
},
"requirements": [
[
"cave_spider"
],
[
"spider"
],
[
"zombie_pigman"
],
[
"enderman"
],
[
"polar_bear"
],
[
"blaze"
],
[
"creeper"
],
[
"evoker"
],
[
"ghast"
],
[
"guardian"
],
[
"husk"
],
[
"magma_cube"
],
[
"shulker"
],
[
"silverfish"
],
[
"skeleton"
],
[
"slime"
],
[
"stray"
],
[
"vindicator"
],
[
"witch"
],
[
"wither_skeleton"
],
[
"zombie"
],
[
"zombie_villager"
]
]
}