Skip to content
BitRoot — home

Thermal Eclipse

  • Elemental Reaction
  • Fire + Ice
  • Two Element Sources
  • Clear

A TierSpeed farming · Endgame

Buy now (opens in a new tab)

Overview

Overview

Fire on attacks through Attunement, ice on the ground through the inherited Imbue: Thermal Shock on everything that crosses the trail.

Good for: Echoes T12–T20: strong clear while losing little health.

Strengths

  • One of the biggest clears in the endgame
  • Loses little health on the bench
  • The only build in the collection with two sources of element

Weaknesses

  • Needs Fire and Ice lit at the brazier
  • The Mage's Inheritance (die as a Mage, or use the Archive)
  • On bosses, the crit version deals more than double

Loadout

What the build carries

Hover or tap an icon to see what it does, in the game's own words.

Inheritance
  • Elemental ImbueMage of the Only Eye
Mastery
  • Oracle of the Full MoonLV 7 · 34 points
Iris Links
  • RuptureTrigger Gem
  • Fate RevealedLinked
Elemental Attunement

FireAttacks

Relics12

Core

  • Crown of Coal
  • Ember Lens
  • Ice Nail
  • Branding Iron

Optional

  • Catalyst Vial
  • Taut String
  • Double Mouth
  • Short Vigil

Legendary

  • Cold Fireluxury pick, random drop
  • The Wide Eyeluxury pick, random drop

Sets

Pestilent Choir

Projectiles, afflictions and spread.

  • Cracked Reed
  • Bronze Lung

2 pieces: Projectiles that hit an afflicted enemy split in two.

Split Prism

Projectiles that do not stop at the first target.

  • Prismatic Lens
  • Prismatic Shard

2 pieces: The first ricochet splits the projectile in two.

Progression

Progression trees

Explore the progression trees used in this build. Lit nodes are the ones it takes; the rest of each tree stays dimmed behind them.

Iris Fragments: 1,653

Hover or tap a lit node to see what it does.

Body

  • Hardened Bark8/8+80% health (max +80%)
  • Restoring Sap2/5+16% healing received

Power

  • Sharp Gaze8/8+48% damage (max +48%)
  • Steady Rhythm5/5+35% on basic attacks
  • Elite Hunter4/4+36% against elites
  • Crownbreaker4/4+36% against bosses

Focus

  • Reservoir5/5+50% maximum resource
  • Serene Flow5/5110% of natural flow
  • Lasting Mark4/4+48% effect duration
  • Measured Haste4/4-20% cooldown (max -20%)

Fortune

  • Hole in the Pocket, Reversed1/5+12% gold
  • Deep Pocket4/4+4 relic slot

In practice

How to play

  1. Open with a dash over the pack.

  2. Keep the dash → fan rhythm.

  3. Against packs, it's the specialty.

  4. Against bosses, circle and shoot.

  5. Careful: without Fire and Ice lit at the brazier, none of this exists.

To keep

The build card

The whole build in one image: ratings, loadout, trees and how to play.

Open the card

Measured on Sep 28, 2026 · game v1.0.1 · test bench v8

Build card for Thermal Eclipse (Oracle of the Broken Moon)

Steam

The Only Eye: Arcane Legacy

Your next attempt starts on Steam.

Twenty Forms, six regions and a whole endgame waiting past the first ending.

Buy on Steam (opens in a new tab)

Out now on Steam for PC.