---
title: "(10–89)% increased Spell Damage"
summary: "Prefix: (10–89)% increased Spell Damage. 5 tiers, item levels 1 to 46."
status: in-game  # Exists in the current build; generated from or checked against its code
section: "Wiki"
html: inc_spell.html
source: generated by www/wiki/*.ts from the game data (data/game.json)
---

# (10–89)% increased Spell Damage

[In game]

- **Kind:** Prefix
- **Stats:** [Increased spell damage](../../../wiki/stats.md#incspell)
- **Weight:** 800
- **Tiers:** 5, from item level 1 to 46
- **Tags:** caster, amulet
- **On a magic item:** “Adept's Driftwood Wand”

## Tiers

Tier 1 is the lowest. An item can roll every tier up to its item level; once all five are allowed, the last column gives each one's chance.

| Tier | Name | Item level | Values | Chance |
| --- | --- | --- | --- | --- |
| 1 | Apprentice's | 1 | (10–19)% increased Spell Damage | 33.3% |
| 2 | Adept's | 10 | (20–34)% increased Spell Damage | 26.7% |
| 3 | Scholar's | 20 | (35–49)% increased Spell Damage | 20% |
| 4 | Professor's | 32 | (50–69)% increased Spell Damage | 13.3% |
| 5 | Occultist's | 46 | (70–89)% increased Spell Damage | 6.7% |

## Rolls on

14 bases share a tag with this prefix. Chance is how likely it is to be picked for a fresh affix slot on each of them, when every affix still fits.

| Base | Slot | Level | Chance |
| --- | --- | --- | --- |
| [Driftwood Wand](../../../wiki/items/bases/driftwood_wand.md) | Weapon | 1 | 9.4% |
| [Gnarled Staff](../../../wiki/items/bases/gnarled_staff.md) | Weapon | 3 | 9.4% |
| [Bone Wand](../../../wiki/items/bases/bone_wand.md) | Weapon | 12 | 9.4% |
| [Ironwood Staff](../../../wiki/items/bases/ironwood_staff.md) | Weapon | 15 | 9.4% |
| [Crystal Wand](../../../wiki/items/bases/crystal_wand.md) | Weapon | 28 | 9.4% |
| [Runic Staff](../../../wiki/items/bases/runic_staff.md) | Weapon | 30 | 9.4% |
| [Ether Wand](../../../wiki/items/bases/ether_wand.md) | Weapon | 44 | 9.4% |
| [Glass Shank](../../../wiki/items/bases/glass_shank.md) | Weapon | 1 | 5.3% |
| [Stiletto](../../../wiki/items/bases/stiletto.md) | Weapon | 13 | 5.3% |
| [Obsidian Kris](../../../wiki/items/bases/obsidian_kris.md) | Weapon | 29 | 5.3% |
| [Coral Amulet](../../../wiki/items/bases/coral_amulet.md) | Amulet | 1 | 4.9% |
| [Amber Amulet](../../../wiki/items/bases/amber_amulet.md) | Amulet | 6 | 4.9% |
| [Lapis Amulet](../../../wiki/items/bases/lapis_amulet.md) | Amulet | 8 | 4.9% |
| [Onyx Amulet](../../../wiki/items/bases/onyx_amulet.md) | Amulet | 20 | 4.9% |