Diablo 4: Firewall Sorcerer Build Guide (2025)

Diablo 4 has added new skills, passives, and Aspects with its Vessel of Hatred expansion. While most players are playing the Spiritborn class, older classes like Sorcerer haven't been left in the dust. Some new additions have made the Sorcerer a fantastic beginner class for new or returning Diablo players, notably Firewall builds.

Firewall has received many buffs since launch, and it is now one of the highest damage skills in the game. Through some basic passive nodes and skill combos, you can burn everything you come across into ashes. In this guide, we go over how to best min-max Firewall while leveilng, covering everything from the skill tree to recommended equipment.

Build Overview

The Firewall Sorcerer is arguably one of the strongest leveling builds in Diablo 4. As the name implies, you'll be primarily casting the Firewall spell to inflict a massive damage-over-time burn on enemy targets. You can further ramp up this damage with the Combustion key passive and other sources of burn, utilizing skills such as Hydra, Familiar, and Incinerate.

You effectively set the world on fire and become unkillable in the process through passives like Warmth. It doesn't require much gear to get going, has excellent damage output while leveling, and can handle earlier Torment difficulties for endgame farming and pinnacle boss fights. With some small tweaks, you can even push this build into Torment 4 territory, although you'll be leveraging other skills and Uniques at that stage; it won't really be Firewall build at that point.

How To Play This Build

For most fights, you'll want to spawn your Hydra minions first before throwing down as many Firewalls as possible. The more fire you can conjure, the better. This is enough to kill most enemies outright, but if anything survives, you can cast Familiar or Incinerate to ramp up your damage.

When you're fighting Elites or bosses, you should also be casting Fire Bolt every five seconds. This debuffs the target, causing them to take a whopping 20% more burn damage from all sources. This includes Firewall. Use Teleport for whenever you get stunned or need to quickly reposition. If you don't like Teleport, feel free to run Flame Shield or Ice Armor instead for more EHP.

Skills And Passives

Primary		Enchant
Firewall	Hydra	diablo-4-fireball.png Fireball	Familiar
Secondary
Familiar	Teleport	Incinerate	Fire Bolt

It should come as no surprise that we're using Firewallin this Firewall build, but there are some other important skills worth mentioning. Since we're using the Combustionkey passive to ramp up Firewall's burning damage, we run multiple skills that inflict burn. Hydracan inflict burn through its Summoned augment, and Fire Boltgives a massive 20% more multiplier to all burn DoTs through its Glinting upgrade.

For other sources of burn, we resort to using Incinerate and Familiar. Incinerate has some powerful Aspects that unleash triple beams and accelerate a target's burn DoT. Familiar's fire variant will also burn nearby targets when upgraded, making it a solid primer for Flamewall. We wrap up the build with Teleport for a quick movement skill and Unstoppable source.

Important Passives

• Combustion: Greatly scales your burning damage.
• Conjuration Mastery: Grants damage, movement speed, and mana regeneration when we cast abilities.
• Warmth: Absurd source of healing, making your virtually unkillable for most content.
• Inner Flames: Easy 12% damage buff. Just keep your HP full.
• Endless Pyre: Greatly increases your burning damage against enemies who only have DoT-afflicted HP remaining.
• Elemental Synergies: Free 15% damage buff.

Paragon Board

Since this is a leveling build above all else, we don't have a min-maxed Paragon board to recommend for this build. By the time you reach Paragon 200+, you should have strong enough gear to transition into another build or a stronger fire-based skill.

That being said, you can absolutely squeeze out some bonus damage through Paragon in the earlier Torment stages. Searing Heat gives you a 60% buff to direct hits once you scale some fire damage, which is easy to do through Paragon clusters and item tempering. Burning Instinct should also be taken to scale your burning damage once you have some Intelligence and critical damage stats on your gear.

Past this point, we recommend you focus on unlocking Glyph sockets and leveling them through The Pit. Glyphs are where most of your damage comes from in endgame, so don't neglect them.

Recommended Gear

You don't need all the listed gear above to play this build. All you really need is Starlight on your ring. This restores Mana as you heal your character. Since Warmth gives you a copious amount of HP for burning targets, you'll be triggering Starlight every second. In other words, you now have infinite Mana.

As for your DPS, anything that buffs burning is going to excel here. Conflagration, Serpentine, and Engulfing Flames are all massive damage boosts to your skills. We also recommend placing Flamethrowers in a two-handed staff. This causes it to fire three beams that deal more damage than the base skill, effectively tripling its damage.

Items for this build are mostly down to what you find. For tempers, you'll want fire damage, Hydra heads or Firewall damage, and Pyromancy attack speed. Items that can roll with generic damage or damage-over-time affixes are also incredibly useful here. Beyond that, aim for your usual chase affixes—maximum HP, attack speed, flat armor, Mana regeneration, and movement speed.

Important Stats

• Fire Damage: Can be tempered onto weapons, rings, gloves, and your amulet.
  • Firewall and Mastery damage are fine as well.
• Attack Speed: Randomly rolls on gloves and jewelry.
  • Pyromancy attack speed can be crafted onto items that accept Offensive Aspects.
• Max HP: Rolls on everything.
• Mana per Second: Rolls on helmets, body armor, and boots. Not required if you have Starlight.