In Path of Exile 2, the game's vast and immersive world is filled with challenging enemies, unique encounters, and massive bosses. One of the standout bosses in the game is The Rust King, a formidable foe whose sheer power and deadly attacks have made him a legendary challenge for players. As a boss encounter that tests not just your combat skills but also your strategic thinking, defeating The Rust King requires a deep understanding of his mechanics, phases, and weaknesses.

This guide will walk you through everything you need to know about The Rust King encounter, from understanding the Poe 2 trade lore behind the boss to the best strategies and tips for defeating him. Whether you're tackling this fight solo or as part of a group, this guide will equip you with the knowledge and tools you need to emerge victorious.

Who is The Rust King?

The Rust King is a boss in Path of Exile 2 who represents a corrupted ruler of an ancient mechanized empire. His form is a terrifying fusion of advanced technology and decaying organic matter, making him a symbol of the dystopian future that plagues Wraeclast. As the ruler of a forgotten kingdom, The Rust King controls a vast mechanical army, using advanced technology to enhance his power and his reach.

The fight with The Rust King takes place in a crumbling, mechanized stronghold, a location that echoes the technological wonders and tragedies of the empire that once thrived under his reign. As one of the game's more complex bosses, The Rust King brings a combination of heavy mechanical attacks, high mobility, and devastating AoE abilities.

The Rust King's mechanics involve both technology and corrupted elements, making him a hybrid of physical damage and elemental chaos. He commands an array of mechanical minions that support him in combat, which adds an extra layer of difficulty as you try to manage both The Rust King and his robotic minions during the encounter.

The Rust King Encounter Overview

The fight with The Rust King is one of the toughest challenges in Path of Exile 2. It consists of multiple phases, each with its own set of mechanics and escalating difficulty. Understanding the structure of the encounter is key to surviving and ultimately defeating him. The encounter itself takes place in a multi-tiered arena, filled with obstacles and mechanical traps that players must avoid while fighting.

Here's a breakdown of what to expect in the fight:

Arena Layout

Arena Design: The battle with The Rust King occurs in a large arena that has various mechanical hazards, such as spike traps, rotating blades, and electrical barriers. These environmental threats are crucial to managing, as they can deal significant damage if you are not careful.

Add Spawns: Throughout the fight, The Rust King will summon mechanical minions to aid him. These minions typically come in waves, and they include turrets, drone-like robots, and larger mechanical beasts that can deal heavy damage.

Movement: The arena also has sections with moving platforms and rotating mechanical parts that can either help you evade certain attacks or make it harder to position yourself effectively.

Phases of the Fight

The Rust King's encounter is divided into three phases, each becoming progressively more difficult as the fight progresses. Each phase introduces new mechanics, changes the boss's behavior, and requires different strategies to counter.

The Rust King's Emergence

When the fight begins, The Rust King will appear in a large mechanical throne, sitting atop a platform and surveying the battlefield. In this phase, his attacks are straightforward but deadly.

Key Mechanics:

Rust Blast: The Rust King will periodically release a blast of corrosive energy in a large cone in front of him. This attack inflicts debuffs that reduce the player's armor and resistances, leaving you vulnerable to cheap POE 2 Currency  subsequent hits. You'll need to dodge or move to the edges of the arena to avoid this blast.

Summon Drones: The Rust King will periodically summon small drone-like robots that orbit around him. These drones shoot energy beams that can slow or stun players. Defeating them quickly is crucial, as they can interrupt your movement and leave you open to bigger attacks.

Electrostatic Field: The arena will become electrified periodically. During these moments, certain parts of the arena will discharge electrical damage to anyone standing near them. This is a timing mechanic-you'll need to keep moving and find safe zones to avoid these bursts.