Diablo 4 S14 Hellwyrm & Undercity Leveling: 1-70 Fast

By Published: Updated: ~9 min

The two fastest ways to level 1-70 in Diablo 4 Season 14 - the Helltide Hellwyrm XP route and the Undercity Jade Epiphany farm - with full War Plan setup, the Penitent chest trick, difficulty swaps, gear tips, and exactly what to do after level 70.

You can take a fresh Diablo 4 Season 14 character from level 1 to 70 in roughly an hour - no pre-existing gear stash, no specific class, no campaign replay required. Two separate leveling methods both hit that pace: the Helltide Hellwyrm route (the faster of the two, where the final 35 levels can take as little as 20 minutes) and the Undercity Jade Epiphany farm (slightly slower but more consistent and far more forgiving if you die a lot). Both run entirely on the new War Plan system.

This guide walks through the full setup, both methods phase by phase, the difficulty-swap trick that inflates your early experience, the correct War Plan node priority, how to keep your gear from falling too far behind, and exactly what to do the moment you hit 70. Pick whichever method fits how you like to play - both reach the same finish line.

Fast Leveling at a Glance

Method
Available From
Speed
Best For
Helltide Hellwyrm route
Level 1
Fastest - spikes hard in the final 35 levels
Players comfortable riding a Helltide loop and dodging danger
Undercity Jade Epiphany farm
Level 25
Slightly slower but steady and brainless
Players who find Helltide chaos stressful or who die often

Both methods share the same foundation: a double-Helltide War Plan, a map-reveal mercenary, and a strict no-dying discipline. Set that up first, then commit to one route.

Before You Start: Account and Character Setup

A few one-time settings remove all the friction from the run.

  • Set the campaign to completed (endgame state). Create your character with the Lord of Hatred campaign already finished so you drop straight into the seasonal grind instead of replaying the story.
  • Start in the Seasonal Realm and pick up your mercenary immediately. Subo is the priority pick - he reveals enemies and points of interest on the map and adds movement speed, which makes finding Hellwyrm spawns and resources far faster. Pair him with a second mercenary focused on damage and crowd control for run stability.
  • Activate your pet so it auto-collects gold, materials and Aberrant Cinders - you never stop moving to loot.
  • Fish for a double-Helltide War Plan. Both of your starting War Plans should be Helltides. If you don't roll it, it is often faster to delete and recreate the character than to push on a worse setup.
  • Favorite the Temys waypoint so you can teleport back instantly - you'll return there constantly to swap difficulty and hand in plans.

Method 1: The Helltide Hellwyrm Route

The fastest method in Season 14. The whole loop is built on one trick: farm Aberrant Cinders cheaply on a low difficulty, then open the chests on Penitent for massively inflated experience, then hunt Hellwyrms for the XP-globe payoff.

Phase 1: War Plan Setup and the Penitent Chest Trick (roughly 0-35 minutes)

Your goal here is to reach the Writhe and Rot node in your Helltide War Plan tree, which unlocks the Hellwyrm maggot farm. Getting there means completing eight Helltide War Plan nodes, and the difficulty-swap trick roughly halves how long that takes.

Where you open Helltide chests
Activity XP per node
Helltides needed for 2 War Plan points
Normal difficulty
~25
~14
Penitent (the swap trick)
~43 (stacks higher on turn-in)
~8

You need around 350 total activity XP to unlock the two War Plan points that lead to Writhe and Rot. The swap trick gets you there in about 8 Helltides instead of 14. The loop:

  1. Teleport to Temys, then enter a Helltide on Normal difficulty.
  2. Farm about 150 Aberrant Cinders. Do not open a single chest yet.
  3. Teleport back to Temys and swap difficulty to Penitent.
  4. Re-enter the Helltide and open two chests. Enemies hit extremely hard here - swoop in, open, and leave. Do not die, or you lose the cinders and the plan.
  5. Hand in the War Plan at Temys for the inflated experience, then repeat until all eight nodes are done.

Open chests in isolation and stay mounted - the enemies clustered around chests on Penitent are what end most runs. Every 10 levels, check the weapon vendor at the bottom of Temys; you are leveling faster than your gear can keep up, and a fresh vendor weapon often doubles your item power for a handful of gold.

Phase 2: The Hellwyrm Blitz (roughly 35-60 minutes)

Once Writhe and Rot is unlocked, switch to Hard difficulty - not Expert, not Penitent. Death on the higher difficulties resets your Threat Meter and destroys your momentum, and Hard already grants a large open-world experience bonus with only a minor death penalty.

Difficulty
XP / effect
Death penalty
Use it for
Normal
Base
None
Cinder farming only
Hard
+75% open-world XP
Minor
The Hellwyrm phase
Expert
Higher
Resets Threat Meter
Risky, generally not worth it
Penitent
Highest
Resets Threat Meter, frequent death
The chest trick only

The mechanic: fill your Threat Meter to roughly two-thirds, which is the threshold that maximizes Hellwyrm spawns. Hellwyrms erupt from fixed ground positions - learn your zone's spawn points and ride a loop between them. Each Hellwyrm spews maggots that carry +1 monster power; killing the maggots floods the area with experience, and your Aberrant Cinders keep accumulating in the background as you go.

When the meter maxes and triggers an ambush, ignore the Hellborn enemies (poor experience for the time), open chests to rebuild the meter faster, clear a few champions, then resume the loop. The Writhe and Rot node also makes a Pang of Duriel crawl out occasionally - it often drops Lair Keys, so it is worth killing. One tested run cleared level 35 to 70 in about 20 minutes on this loop.

If you want to push the maggot payoff further, the Bursting Blood node makes maggots explode when killed and frequently drop Boss Trophies - a strong secondary pickup once Writhe and Rot is online.

Method 2: The Undercity Jade Epiphany Farm

If Helltide navigation feels too chaotic, the Kurast Undercity route is the alternative - slower overall, but consistent and almost brainless. The Jade Epiphany War Plan node makes the Undercity rain experience orbs every time you gain an Attunement level. You earn four Attunement levels per run, so that's four orb bursts per roughly three-minute sprint - around three to four character levels per run on Hard.

The catch: the Kurast Undercity only unlocks at level 25, so you need a fast opener first.

Phase 1: Rush to Level 25

  • On a fresh character, head straight to the PvP zones. The Seething Abomination and the Favors there hand out heavy early experience, and finishing the nearby Ometh Redoubt Stronghold while you're there pushes you to around level 12-13 with little effort.
  • From there, run War Plans on Normal or Hard until you hit 25. Skip side content - no sightseeing, just the fastest nodes.

Phase 2: Unlock Jade Epiphany

Don't jump straight into full Attunement runs. First complete three or four bare Kurast Undercity runs - rush to the boss, clear the activity check, skip Attunement. These bank enough activity experience to unlock the Jade Epiphany node. Once it's unlocked, the real farm begins.

Phase 3: Spam the Undercity

Switch to Hard (Expert only if you're surviving comfortably). With Jade Epiphany active, every Attunement milestone becomes an experience bomb. Destroy everything between beacons, kill the boss, leave, and repeat. Activating beacons also has a chance to spawn a Portal Prankster, which hands you a full bonus chest at the end of the run - well worth chasing. Skip Infernal Hordes entirely; they take far too long for the experience they return.

Which Method Should You Pick?

Both reach 70 in about an hour. The choice comes down to how you like to play and how much you trust yourself not to die.

Factor
Helltide Hellwyrm
Undercity Jade Epiphany
Starts at
Level 1
Level 25
Levels per run
Varies, spikes hard late
3-4 per ~3-minute run
Pace
Continuous loop
Short repeatable sprints
Seasonal content bonus
Yes - portals and extra cinders
No direct bonus
Consistency
Higher ceiling, more chaotic
Lower ceiling, very steady
Best if you
Can ride a danger-filled loop cleanly
Die often or want a calm grind

If you can stay alive in a Helltide, the Hellwyrm route is simply faster, especially in the final 35 levels. If you keep dying and losing your Threat Meter, the Undercity route's short, repeatable runs will get you there with less frustration. If you'd rather skip the grind entirely, NextTier's Diablo 4 boosting services can take a character to 70 and into Torment for you.

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War Plan Priority: Don't Waste Nodes

A new character resets your War Plan tree, so node order matters. Every completed War Plan step grants a large experience chunk (around 100,000), and handing in a full plan adds bonus rewards on top - so you want every node to count.

  • Helltide nodes first. They feed the Hellwyrm farm and are the highest experience per minute. Rush Writhe and Rot.
  • Undercity second. Needed for the Jade Epiphany method, and a strong filler even if you main the Hellwyrm route.
  • Nightmare Dungeons are passable filler - fine when a Helltide or Undercity plan isn't available, especially with Cursed Chest or Cursed Shrine events for dense bonus experience.
  • Avoid Infernal Hordes and Lair Boss runs for pure leveling. They are among the weakest experience-per-time activities; save them for after 70.

Wherever possible, stack War Plan objectives that also satisfy Tree of Whisper Grim Favors or Legion Events - doubling up the rewards is where the real speed comes from. Running something purely for a War Plan when it contributes nothing else is a waste.

Gear: You Will Outpace Your Drops

The uncomfortable truth of fast leveling: your weapon will always be behind. You're gaining levels faster than drops can keep up, so your damage falls off even as your level climbs. Manage it instead of fighting it.

  • Check the Temys weapon vendor every 10 levels. A vendor weapon at your current level often provides double the item power you're carrying. Buy it without hesitation and keep moving.
  • Imprint your account's Legendary Aspects onto vendor blues using the Horadric Cube rather than hoarding obsolete gear.
  • Prioritize survivability over raw damage. A character that dies constantly keeps rebuilding Threat Meters and loses momentum. Keep Life on your armor, maintain adequate Armor, and skip any encounter with poor experience-per-second.

After Level 70: Keep the Momentum

Hitting 70 is the start of your power curve, not the end of the grind. The Helltide Hellwyrm method doesn't expire - if you've built out your Helltide War Plans and unlocked Writhe and Rot, your first 100 Paragon points come in at the same pace.

  • Don't stop for Capstone Dungeons mid-grind. Hit 70 first, then blow through both Capstones (the first is reachable around level 35, the second around 60) in minutes to unlock the Pit and enter Torment.
  • Keep farming Helltides post-70. Season 14 portals inside active Helltides grant extra cinders and Season Board reputation, making chest farming even more rewarding than it was during leveling.
  • Roll straight into Paragon and Torment progression once your Capstones are done, alternating Helltides, the Pit and bosses to build power.

From here you're chasing Mythic Uniques, Paragon and Pit tiers. If you want to fast-track the Paragon climb or jump straight into high Torment, NextTier's Paragon leveling service can handle the post-70 grind.

FAQ

How fast can you really reach level 70 in Season 14?

Roughly an hour for a clean run, and faster with practice. The Helltide Hellwyrm route is the quickest - one tested run cleared level 35 to 70 in about 20 minutes once the maggot farm was rolling. No pre-existing gear, no specific class, and no campaign replay are required.

Which is faster, the Hellwyrm route or the Undercity farm?

The Helltide Hellwyrm route is faster overall and spikes hardest in the final 35 levels. The Undercity Jade Epiphany farm is slightly slower but far more consistent and forgiving, which makes it the better pick if you die a lot or find Helltide navigation stressful.

What is the Penitent chest trick?

Farm your Aberrant Cinders on a low, safe difficulty without opening any chests, then teleport out, swap to Penitent, re-enter and open the chests there. The War Plan credits the turn-in at the higher Penitent value, so you get inflated experience for the same cinders. It only works if you don't die - losing the cinders wipes the gain.

Why farm Hellwyrms on Hard instead of Expert or Penitent?

Death on Expert or Penitent resets your Threat Meter, and rebuilding it costs more time than the higher difficulty's XP bonus gives back. Hard grants a large open-world experience bonus with only a minor death penalty, so it's the sweet spot for the Hellwyrm phase.

When do the Undercity and Jade Epiphany unlock?

The Kurast Undercity opens at level 25. The Jade Epiphany node unlocks after you bank enough activity experience, which takes three or four bare Undercity runs (rush the boss, skip Attunement). After that, every Attunement level inside the Undercity showers you with experience orbs.

Can I use these methods on Hardcore?

Yes, with extra caution. Stay on Hard during the Hellwyrm phase, and flee immediately after opening chests on Penitent - death is permanent on Hardcore, so the chest trick is the riskiest part. The Undercity route is the safer Hardcore choice.

What should I do right after hitting level 70?

Don't stop. Clear both Capstone Dungeons in minutes to unlock the Pit and enter Torment, then keep farming Helltides - the same Writhe and Rot setup carries your first 100 Paragon points at the same pace. Season 14 portals inside Helltides also grant extra cinders and Season Board reputation post-70.

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