In Path of Exile, the passive skill tree is a vast network of interconnected skills, offering numerous passive bonuses to enhance POE currency trade your character's abilities. Here's a tier list ranking the best passive skills for Marauder in version 3.23 of the game:

S Tier:

Soul of Steel

Barbarism

Blade Master

Bloodless

Born to Fight

Call to Arms

Disemboweling

Heart of the Warrior

Inexorable

Juggernaut

Prismatic Skin

Slaughter

A Tier:

Steadfast

Stamina

Lava Lash

Arsonist

B Tier:

Unwavering Stance

Resolute Technique

Kinetic Impacts

Invigorating Blaze

Harpooner

Aggressive Bastion

Deep Bastion

Deep Breaths

Hearty

Warrior’s Blood

C Tier:

Tribal Fury

Natural Authority

Martial Experience

Magmatic Strikes

Savage Wounds

Spinecruncher

Harvester of Foes

Skull Cracking

Cleaving

Lust for Carnage

Escalation

Strong Arm

Butchery

Eagle Eye

Razor’s Edge

Blacksmith’s Clout

Bone Breaker

Versatility

D Tier:

Blood Magic

Vanquisher

Cannibalistic Rite

Cauterisation

Concussive Force

Diamond Skin

Fending

Goliath

Robust

Imbalanced Guard

Settling Ash

Spiked Bulwark

Unfaltering

Utmost Might

Warrior Training

Tips & Tricks for PoE 3.23 Passive Skill Tree:

Use the search bar to cheap POE currency find passive bonuses related to specific damage types or defenses. This simplifies targeting specific nodes.

Zoom in and out of the tree using the mouse wheel or slider for better navigation and focus.

Be cautious of "dangerous" keystones like Chaos Innoculation and Blood Magic, as they can drastically alter your character's abilities.