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Persona 5: The Phantom X (P5X)
Trumpeter Boss Fight (Mementos)
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Trumpeter is a unique boss in Persona 5: The Phantom X (P5X) that can be found in the newest floor of Mementos, the Path of Chemdah. Check out the essential details, including the unique battle details for each fight, Trumpeter's weaknesses and resistances, as well as the best team composition for the boss fight here.
List of Contents
Trumpeter Boss Overview
Trumpeter Recommended Level
 |
|
| Enemy Level | Lv. 74 |
|---|---|
| Recommended Level | Lv. 77 |
| Safer Recommended Level | Lv. 80 |
The Trumpeter fight recommends players to tackle this boss with a team that is at least Level 74. However, at this point you should have been to Katayama's Palace. With the game having a difficulty spike with no level scaling with the release of Chapter 3 Phase 1, we highly recommend you get Wonder's teammates to Level 80.
At this point of the game, a player should be having well-built characters and team comps, and have kept them ready for battle. Leveling their skills to leveling Revelation Cards is absolutely crucial. Be properly leveled, equipped and prepared first before tackling this boss.
Trumpeter Boss Fight Location
The Trumpeter is the final boss fight that can be found in Path of Chemdah Area 3 in Mementos. You have to beat this boss before you can progress to Area 4.
It is highly recommended for players to clear Chapter 3 Phase 1 of the story as prepeartion, so that players can fully tour around the Path of Chemdah in Mementos to find the Trumpeter boss fight.
Trumpeter Weaknesses and Resistances
 Physical |
 Gun |
 Fire |
 Ice |
|---|---|---|---|
| - | - | - | Resist |
 Electric |
 Wind |
 Psychic |
 Nuclear |
| Resist | - | - | - |
 Bless |
 Curse |
||
| Resist | Resist | ||
Trumpeter's Allies' Weaknesses and Resistances
Kumbhanda
Mothman
Kaiwan
Mitra
| Physical | Gun | Fire | Ice |
|---|---|---|---|
| - | - | Null | Weak |
| Electric | Wind | Psychic | Nuclear |
| - | - | - | - |
| Bless | Curse | ||
| - | - | ||
| Physical | Gun | Fire | Ice |
|---|---|---|---|
| - | Weak | - | - |
| Electric | Wind | Psychic | Nuclear |
| Resist | - | Resist | - |
| Bless | Curse | ||
| - | - | ||
| Physical | Gun | Fire | Ice |
|---|---|---|---|
| - | Resist | - | - |
| Electric | Wind | Psychic | Nuclear |
| - | - | Resist | Weak |
| Bless | Curse | ||
| - | - | ||
| Physical | Gun | Fire | Ice |
|---|---|---|---|
| - | - | - | Resist |
| Electric | Wind | Psychic | Nuclear |
| Weak | - | - | - |
| Bless | Curse | ||
| Resist | - | ||
How to Beat Trumpeter
Trumpeter Cannot Be Attacked Until All Others are Defeated
Unlike most other boss fights found in Mementos, Trumpeter cannot be damaged at first. You have to defeat all of his allies first to be able to begin dealing damage to him.
Trumpeter Can Use Ally Shadows' Skills
In turn of not being able to attack or be attacked while allies are on the field, Trumpeter instead uses a skill called Horn of the End, which will allow the Trumpeter to let an ally use one of their skills in his place.
Horns of Ruin Triggers 2 Turns After Defeating Allies
Once all of Trumpeter's allies have been defeated, he will begin “chanting”, marking the beginning of the countdown before he gets to use Horn of Ruin.
Trumpeter Deals Damage Immediately After Reviving and Buffing Allies
If Trumpeter successfully casts Horn of Ruin, not only are his allies revived and significantly buffed, he will deal extremely high damage to your allies. If you are not careful enough, this can lose you the boss fight.
Trumpeter Must Be Defeated Before He Sacrifices Himself
Players only have a two-turn window before Trumpeter fully casts Horn of Ruin. This is a damage check to see if your team can take down Trumpeter while he's vulnerable.
If you can defeat Trumpeter before he casts Horn of Ruin before he can cast it, it immediately fails, his allies do not get revived nor buffed, and you have won the boss fight.
Kumbhanda Can Inflict Fear
Out of all the allies that Trumpeter has brought into this fight, the most notable one will be Kumbhanda. His Bloodbath skill can inflict fear to your team, including Wonder himself.
While an ally is struck with Fear, they have a chance to run away from the fight, leaving you with one member less. If Wonder runs away, it automatically counts as a defeat!
Best Team Comps vs. Trumpeter
Queen Team Comp
| Recommended Personas for Wonder | |||
|---|---|---|---|
★★★★★ Titania
|
★★★★ Atropos
|
★★★★ Nebiros
|
★★★★★ Janosik
|
| Party Composition | |||
 Queen
|
 Vino
|
 Chord
|
 Phoebe
|
As of writing, this might be the strongest team a player can build in the game right now. Queen can nuke just about any enemy that does not nullfy Nuke damage outright, and all she needs is for herself or for Vino to apply Elemental Ailments to proc her additional damage. It also helps that
Then comes the addition of Chord, who will let her make use of Highlights more frequently. Phoebe will then boost Nuke damage as a pseudo-mono-Nuclear team composition.
General Tips for Trumpeter
See If Your Members Are Leveled
Make sure that your team is not under-leveled and under-equipped. Make sure to have your Phantom Thieves at least around the Minimum or Recommended Level for the boss fight.
Leveling Guide: How to Level Up Fast
Check Your Team Formation
Before you head into the fight, remember to adjust your team comp properly as well as their turn order! The game will even bring you to the Team screen just before the boss fight properly begins.
Make sure to bring the right people for the job. Otherwise, the fight will be a lot harder before you realize you are using the wrong team.
Activate Food Buffs
Before you go into the fight, you could consume some of the home cooking Wonder makes in the kitchen. The food he makes will grant the team some buffs that will last for a certain number of battles. These include boss fights like in the Palace or in Mementos!
Cooking Guide: Best Food Recipes
Persona 5: The Phantom X Related Guides
All Palace Bosses
| All Bosses in Kiuchi's Palace | |
|---|---|
 Shadow Kiuchi |
|
| All Bosses in Miyazaki's Palace | |
 Shadow Miyazawa |
 Shiki-Ouji |
 Kikuri-Hime |
 Arahabaki |
 Zouchouten |
- |
| Bosses in Shadow Katayama's Palace | |
 Shadow Katayama |
 Hariti |
 Kumbhanda |
- |
| All Palace Event Bosses | |
 Raga (Shadow Kamoshida) |
 Dvesha (Shadow Madarame) |
 Irshya (Shadow Kaneshiro) |
 Moha (Shadow Wakaba) |
 Avidya (Shadow Okumura) |
- |
All Mementos Bosses
| Location | Boss |
|---|---|
| Path of Qimranut Area 3 |  Matador |
| Path of Qimranut Area 3 |  Ongyo-Ki |
| Path of Aiyatsbus Area 4 |  Thoth |
| Path of Chemdah Area 3 |  Daisoujou |
| Path of Chemdah Area 3 | Trumpeter |
Active Nightmare's Gateways
| All Gates of the Nightmare Catcher Bosses | |
|---|---|
 Atavaka
|
 Nidhoggr |
Active Trials from the Sea of Souls
| All Trials from the Sea of Souls | |
|---|---|
 Northern Dig Site |
 Eastern Construction Site |
 Western Work Site |
 Control Center |
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Trumpeter Boss Fight (Mementos)
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