The Multiclimate Undershirt in Palworld 2026 is the ultimate survival gear, unlocking seamless exploration in extreme zones and epic adventures.

Okay, let's talk about one of the most game-changing pieces of gear in Palworld, especially now in 2026. We all know the struggle, right? One minute you're freezing your butt off in the Astral Mountains, the next you're melting in the Dessicated Desert. It's like the islands have a personal vendetta against comfortable exploration. That's where the Multiclimate Undershirt comes in – it's basically your all-in-one survival cheat code, making those extreme zones feel like a walk in the park. And trust me, getting it is an adventure in itself, one that pits you against one of the most epic raid bosses in the game.

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Why This Undershirt is EVERYTHING

Let's break down why you need this in your life:

  • One Slot, Double the Power: Forget juggling a Heat Resistant and a Thermal shirt. This bad boy combines both resistances into a single, sleek piece of armor. That's more inventory space for all the Coal and Sulfur you'll be mining in those late-game areas!

  • Unlock the Map: Seriously, some of the coolest Pals and most vital resources are locked behind brutal weather. Want that unique Ice-type or need to farm end-game mats? You're not getting far without this undershirt. It's your ticket to exploring the entire Palpagos Islands without turning into a popsicle or a charcoal briquette.

So, how do you get it? Well... you gotta earn it. And by earn, I mean face off against Bellenoir, Palworld's chaotic and super tough raid boss. No spoilers, but the fight is absolutely wild.

The Great Bellenoir Hunt: A Step-by-Step Guide

Getting to Bellenoir is a journey. You can't just stumble upon it. Here's your roadmap:

Step 1: Build Your Summoning Altar

First things first, you need a stage for this epic showdown.

  • Unlock: Hit Player Level 33 and spend 3 Ancient Tech Points on the Summoning Altar in your Tech Tree.

  • Craft It: You'll need:

  • 100 Stone

  • 20 Palladium Fragments

  • Place it at your base. This altar is a one-time use, so make it count!

Step 2: Craft the Key – Bellenoir's Slab

The altar needs a key, and that key is a Slab.

  • Unlock Production Assembly Line II at Level 42 (3 Tech Points).

  • Crafting Recipe:

  • 4x Bellenoir's Slab Fragments

  • 100x Refined Ingot

  • 10x Circuit Board

  • 30x Nails

Pro Tip: Finding those Slab Fragments is the real grind. Your best bet? High-level dungeon chests. The Volcanic Cavern (Lv. 40 dungeon) is famous for having a chest that can drop both fragment types. Get ready for some dungeon crawling!

Step 3: Prepare for WAR (Seriously)

You don't just fight Bellenoir; you go to war. The boss gets summoned right at your base, pulling every single one of your stationed Pals into the fight. It's an all-out, base-wide brawl with a 10-minute timer. Here's how to not get wiped:

🎯 Pal Strategy is KEY:

Bellenoir is a Dark-type, which means it's weak to:

  1. Dragon

  2. Ice

  3. Fire

My Recommended Team Setup:

Pal Type Recommended Pals Why They Rock
Ice Foxicle, Sibelyx, Frostallion Consistent super-effective damage, can slow it down.
Fire/Dragon Jormuntide Ignis (MVP!) Hits its double weakness to Fire AND Dragon. Bring a few of these if you can!

⚔️ Gear Up Yourself:

You're not just a commander; you're a soldier in this fight.

  • Armor: Pal Metal Helm & Armor are non-negotiable for survival.

  • Accessories: Slap on an Attack Pendant +2 to boost your personal damage.

  • Weapons: Go RANGED. Up close is a death sentence.

  • Assault Rifle (Unlock Lv. 45): Your bread and butter. Fast, reliable DPS from a safe distance.

  • Rocket Launcher (Unlock Lv. 49): For those "oh wow I need that health bar GONE" moments. Catastrophic damage.

The Reward: Is It Worth the Fight? (Spoiler: YES)

Beating the standard Bellenoir (Lv. 45, 294k HP) gets you the Multiclimate Undershirt +1. Want an upgrade? Take down the harder Bellanoir Libero (Lv. 50, 450k HP) for the +2 version. The loot pool is absolutely stacked:

  • The Coveted Multiclimate Undershirt (Obviously!)

  • Ancient Civilization Core (For those sweet, sweet base upgrades)

  • Training Manual XL (Massive XP boost for your Pals - hello, instant levels!)

  • A Huge Dark Egg 👀

Yeah, you read that right. Incubate that egg, and you hatch your very own Bellenoir Pal. Talk about the ultimate trophy! From mortal enemy to powerful ally – that's the Palworld dream.

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So, is the grind for the Multiclimate Undershirt worth it? A thousand times yes. It's not just an item; it's a badge of honor that fundamentally changes how you play. It opens up the world, lets you chase the rarest Pals in their natural habitats, and yeah, it comes from one of the most memorable and chaotic boss fights you'll experience. Gear up, plan your strategy, and go claim your prize. The elements won't know what hit 'em. Now, if you'll excuse me, I have a Libero variant to hunt... wish me luck! 🫡