Firewall is strong for leveling in diablo 4 and has no necessary unique items or aspects. Firewall is reliable every season with it's great area of effect damage, survivability, low mana costs, and high boss damage. Firewall has an A+ rating with the Monster Killing Bureau and is guaranteed to cook the competition (alive).
Firewall Leveling Guide
Build Overview
Strengths and Weaknesses
- No required unique items
- No required aspects
- Simple to play
- Burning damage takes time to ramp up
- Slow cast animation can feel clunky
Build Variants
Wing the skill tree until you reach Firewall
- I recommend using
Incinerate and
Fire Bolt
Summoned Hydra until you reach
Firewall in the mastery section - If you end up really liking
Incinerate and drop aspects such as
Flamethrower's Aspect or
Aspect of Overheating or
Aspect of Conflagration check out My Incinerate Leveling Guide
Assigned Skills








Enchantments
Teleport enchant gives you a
Teleport evade on a 5 second cooldown. Once you get Enchantment Master early in Torment 1 this will drop to 3.5 seconds. You also get the effects of
Enhanced Teleport for movement speed, and
Mystical Teleport to make crackling for
Convulsions damage
Fireball enchant creates a
Fireball explosion whenever a monster dies, which can create chain reactions and aid in leveling efficiency. Kill 1 monster and the rest usually just explode with it.
Equipment




















- Use
Amethyst or
Sapphire in your weapon
Cir +
Ceh is useful because the Spirit Wolves apply freeze for
Hoarfrost and apply vulnerable to deal 20% more damage to enemies
Cem or
Neo +
Qua provides some much needed movement speed- Pyromancy Attack Speed Tempers are there to make
Firewall's cast animation less clunky
Aspect of Shredding Blades is suggested because it grants 35% damage to all vulnerable targets
Aspect of Engulfing Flames is the best aspect for burning damage over time
Skill Tree
0 (0)- Use
Shimmering Teleport over
Mystical Teleport until you reach
Convulsions in the leveling path - The leveling path doesn't really start until you reach
Firewall so sort of wing it until then, then respect to match what I have
Paragon Board
No Glyphs Installed
Stats
When you first get to the paragon it takes time to level up glyphs and for them to provide value. The best practice is to level up 1 glyph on the first board such as
Adept,
Torch,
Flamefeeder,
Tactician, or
Pyromaniac and rush Legendary nodes for big damage bonuses.
Here we rush
• Enchantment Master to lower our
Teleport enchant to 3.5 seconds and grant 40% damage because of our
Fireball enchant
• Burning Instinct for upwards of 100% burning damage as you grab more Non-Physical damage in the paragon which counts towards your Fire Damage requirement. You can also temper Fire Damage on items over Pyromancy Attack Speed
• Fundamental Release for 50% damage just for hitting enemies with
Firewall
• Frigid Fate for upwards of 60% damage to vulnerable enemies as you grab more non-physical damage in the paragon and on items like
Tal Rasha's Iridescent Loop or
Orsivane which you should be trying to acquire at this point
Divine Gifts








- Swap these around as you see fit, they are not as impactful as previous seasonal powers
Essence of Anguish grants 30% movement speed
Essence of Sin grants 20% armor
Essence of Shadows can save you from dying while crowd controlled
Essence of Squalor makes leveling in Helltide faster by creating XP globes when you kill maggots. It also grants a healing potion every 20 seconds.
Mercenary
Subo grants us maphacks and provides us with a 25% damage buff to
Firewall with his Scorched Earth Molotov's
Raheir gives us a cheeky protection dome when we are injured that grants damage reduction
How it Plays
Starter Build Level 1-60
Firewall is your main damage caster. Spam it
Fire Bolt is used sparingly on beefy single targets to help ramp up damage with
Glinting Fire Bolt
Familiar is used off cooldown for 10% damage from
Invoked Familiar
Ice Armor is used for a barrier.
Shimmering Ice Armor will help reduce it's cooldown
Teleport is casted off the skill bar for movement.
Teleport enchant gives you an evade teleport you can use every 5 seconds. These will both make crackling energy with
Mystical Teleport which is used for damage when you reach
Convulsions. Use
Shimmering Teleport for elemental resistance prior to that point
Flame Shield is your get out of jail free card that provides 2 seconds of Immunity
Torment 1-3 and Mythic Setup
Firewall is your main damage caster. Spam it
Fire Bolt is used sparingly on beefy single targets to help ramp up damage with
Glinting Fire Bolt
Inferno is used to pull enemies with
Prime Inferno and grant 50% damage with
Supreme Inferno
Familiar is used off cooldown for 10% damage from
Invoked Familiar
Ice Blades are used for attack speed with
Invoked Ice Blades
Lightning Spear is casted to apply vulnerable and for a barrier
Free Enchantments from the Orsivane Unique Mace
Mystical Teleport enchant for a
Teleport evade on a 3.5 second cooldown that makes crackling for
Convulsions
Mystical Ice Armor enchant for an
Ice Armor on potion press that grants damage to frozen
Mystical Frost Nova enchant to freeze enemies with
Frost Nova's generated by lucky hits on enemies (just happens naturally). Grants 15% damage and applies vulnerable for another 20%
Flame Shield enchant which provides a
Flame Shield when you lose 30% life within 2 seconds. When it occurs it goes on cooldown for 30 seconds.
How it Works
Firewall is a pyromancy sorcerer skill which deal fire damage
Firewall's damage is burning damage over time, which cannot critically strike- Damage over time builds scale well early for leveling because they have higher multipliers to make up for them not being able to critically strike
- Examples include
Aspect of Engulfing Flames,
Combustion,
Endless Pyre,
Enhanced Firewall,
Glinting Fire Bolt, Burning Instinct, and
Torch.
Changelog
12/6/25 - leveling build created for S11
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