- Win Rate
- 47.9%
- Pick Rate
- 1.1%
Fiendish Codex Stats, Passive & Recipe
850EpicSells for 595
Amplifying Tome
Glowing Mote
25 Ability Power
10 Ability Haste- Patch
- 26.20
- Games
- 12,715
- Tier
- All Tiers
- Last Updated
- Oct 20, 2026 UTC
- Methodology
- Data Methodology
- Author
- Dakota Chinnick
- Cost
- 850g
- Builds from
- Amplifying Tome + Glowing Mote + 200g
- Gold efficiency
- 118%
- Win rate (Patch 26.20)
- 47.9%
What Fiendish Codex Does
Patch 26.20Fiendish Codex is a epic item that costs 850 gold. It gives +25 Ability Power, +10 Ability Haste. Most often built by Sylas, Mordekaiser, and Nami.
+25Ability Power
+10Ability Haste- Cost 850gSell 595gCombine 200g
Fiendish Codex Recipe & Build Path
Fiendish Codex builds from Amplifying Tome + Glowing Mote, plus 200 gold to combine — 850 gold in total. Every component can be bought on its own, so you can split the cost over several back trips.
Fiendish Codex850g+ 200g to combine
Fiendish Codex builds into 9 items
Riftmaker3,100g · Legendary54.2% WR · 2.7% PR
Nashor's Tooth2,900g · Legendary51.7% WR · 1.9% PR
Redemption2,300g · Legendary54.4% WR · 0.9% PR
Cosmic Drive3,000g · Legendary53.5% WR · 0.5% PR
Bloodletter's Curse2,900g · Legendary54.3% WR · 0.4% PR
Staff of Flowing Water2,250g · Legendary56.7% WR · 0.4% PR
Horizon Focus2,700g · Legendary52.9% WR · 0.4% PR
Cryptbloom3,000g · Legendary55.6% WR · 0.3% PR
Archangel's Staff2,900g · Legendary38.9% WR · 0.1% PRIs Fiendish Codex Gold Efficient?
118% gold valueYes — Fiendish Codex's stats are worth 1,000 gold against its 850 gold cost (118%).
Gold Value Calculator
Change what each stat is worth to you, or give Fiendish Codex's passive a gold value, and see whether the item pays for itself.
| Stat | Gold per point | Value |
|---|---|---|
| +25 Ability Power | 500 | |
| +10 Ability Haste | 500 |
Gold value prices each stat at what its basic shop item charges this patch (Long Sword for AD, Amplifying Tome for AP, Glowing Mote for Ability Haste…).
Who Builds Fiendish Codex
Sylas, Mordekaiser, and Nami buy Fiendish Codex most often this patch. Buy rate is the share of each champion's games in which they complete it.
Theorycraft Your Next Build
Test any item combination — even off-meta — against thousands of real matches. See win rate, KDA, damage, and every item's real impact before you ever lock in.
- Any item combo — even off-meta
- Thousands of real matches
- Win rate by rank & game length
Alternatives to Fiendish Codex
The closest items to Fiendish Codex by stats, tags and components: Lost Chapter, Bandleglass Mirror, and Fated Ashes.
Should You Buy Fiendish Codex?
Strengths
- Gold efficient: its stats are worth 118% of the cost.
- Flexible: 40 champions build it regularly.
Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.
Fiendish Codex FAQ – Patch 26.20
What does Fiendish Codex do in League of Legends?
Fiendish Codex gives +25 Ability Power, +10 Ability Haste. —
How much does Fiendish Codex cost and what does it build from?
Fiendish Codex costs 850 gold: Amplifying Tome + Glowing Mote, plus 200 gold to combine. It sells for 595 gold.
Is Fiendish Codex gold efficient?
Yes — Fiendish Codex's stats are worth 1,000 gold against its 850 gold cost (118%).
Which champions should build Fiendish Codex?
Sylas (6%), Mordekaiser (5%), Nami (8%), Lulu (7%), and Kai'Sa (3%) build Fiendish Codex most often.
What does Fiendish Codex build into?
Fiendish Codex builds into 9 items: Riftmaker, Nashor's Tooth, Redemption, Cosmic Drive, Bloodletter's Curse, Staff of Flowing Water, Horizon Focus, and Cryptbloom.
What items are similar to Fiendish Codex?
The closest alternatives to Fiendish Codex are Lost Chapter, Bandleglass Mirror, and Fated Ashes.