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Updated: August 26, 2026

Season 10 — Ebontharn

Class: Demonspawn

Type: Leveling

Hero Siege Season 10 Demonspawn Leveling Build Guide

Build Overview

Demonspawn

Season 10

Leveling

Arcane

Class
Demonspawn
Season
10 — Ebontharn
Type
Leveling
Route
Bone-based early leveling into a Blood Surge clearing option

Leveling Progression at a Glance

Scan the route first, then read the stage notes below.

  1. LEVEL 1–7

    Bone Fragments

    Early leveling

  2. LEVEL 8–23

    Bone Storm

    Core leveling transition

  3. LEVEL 24

    Blood Surge

    Unlocks

  4. LEVEL 30

    Blood Tendrils

    Unlocks

  5. LEVEL 40–100

    Blood Surge + Blood Tendrils

    Clearing option

Levels 1–7 — Bone Fragments

Bone Fragments is the starting skill used in the referenced leveling route. Use it through the opening campaign stretch until Bone Storm becomes available.

Levels 8–39 — Bone Storm

Bone Storm becomes available at level 8 and is the main leveling transition in the referenced route.

Blood Surge unlocks at level 24. Blood Tendrils unlocks at level 30. Cartilage Build Up also opens at level 16 on the Bone Conjurer tree.

Levels 40–100 — Blood Surge Clearing Option

The referenced Season 10 leveling framework transitions into Blood Surge with Blood Tendrils as a clearing option. Bone Storm remains available if you prefer to stay on the Bone route through the rest of the campaign.

Bossing During Leveling

For campaign bosses, the referenced leveling framework uses a Bone-oriented setup rather than the Blood Surge clearing option.

Early Hero Levels

After level 100, treat this as early post-campaign progression. The same clearing option can carry into the first Hero Levels. It is not a finished endgame build.

Attribute Priorities

  • Intelligencedamage
  • Vitalitylife

Gear Priorities

Look for early Arcane caster pieces and general leveling gear that keeps the campaign moving.

Still Being Verified

Sources / Methodology

Unlock levels come from the Demonspawn skill list. The leveling sequence follows a Season 10-tagged Demonspawn planner, checked against other Season 10 notes.