- Win Rate
- 49.2%
- Pick Rate
- 0.2%
Unsealed Spellbook Rune Effect & Numbers
- Patch
- 26.21
- Games with rune
- 1,636
- Lane
- All Lanes
- Tier
- All Tiers
- Last Updated
- Nov 3, 2026 UTC
- Author
- Dakota Chinnick
- Methodology
- Data Methodology
Your first swap becomes available at 6 mins.
Summoner Spells can only be swapped while out of combat.
After using a swapped Summoner Spell you must swap 3 more times before the first can be selected again.
Smite damage increases after two Summoner Spell swaps.
- Rune tree
- Inspiration · Keystone
- Win Rate
- 49.2%−1.3 vs row avg
- Pick Rate
- 0.2%
- Best champion
- Alistar · 50.6%
- Most played by
- Rakan
- Main lane
- Support · 74%
How Unsealed Spellbook works
Inspiration · KeystoneUnsealed Spellbook lets you swap a summoner spell for a new single-use one, first available at 6 minutes and only out of combat.
- Each unique summoner spell you swap to permanently lowers the swap cooldown by 25 seconds, so variety speeds it up.
- After using a swapped spell you must swap three more times before you can pick that spell again, so plan which ones you need.
- Smite damage increases after two swaps; the rune suits players comfortable adapting spells to the state of the game.
Other Inspiration keystones:
Glacial Augment
First Strike
More Inspiration runes:
Is Unsealed Spellbook good in Patch 26.21?
Patch 26.21Unsealed Spellbook is situational this patch: a 49.2% win rate over 1,636 games, so take it on the champions that use it best. That is 1.3 points below the average of its row (50.5%).
- Tier
- D
- Win Rate
- 49.2%vs row −1.3
- Pick Rate
- 0.2%
- Games with rune
- 1,636Fair sample
Best lanes for Unsealed Spellbook
All ranksUnsealed Spellbook is played mostly in Support (74% of games).
| Lane | Win Rate | Pick Rate | Share | Games |
|---|---|---|---|---|
| Support | 49.0% | 0.6% | 74% | 1,214 |
| Mid | 50.0% | 0.1% | 15% | 252 |
| Top | 53.0% | 0.1% | 6% | 100 |
| Jungle | — | 0.0% | 3% | 52 |
| ADC | — | 0.0% | 1% | 18 |
Best champions for Unsealed Spellbook
All ranksAlistar leads with a 50.6% win rate with Unsealed Spellbook; 7 champions take it this patch.
BlitzcrankSupport56.3% 87 gamesS
AlistarSupport50.6% 265 gamesA
ThreshSupport50.7% 69 gamesA
Twisted FateMid50.0% 174 gamesB
BardSupport45.0% 40 gamesB
RakanSupport47.9% 422 gamesC
Unsealed Spellbook win rate by game length
Unsealed Spellbook is strongest early: 53.9% in games of 25 minutes or less vs 51.5% after 35.
Who takes Unsealed Spellbook
Support champions account for 52% of Unsealed Spellbook games.
- Support · 52%
- Tank · 32%
- Mage · 16%
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Unsealed Spellbook FAQ – Patch 26.21
What does Unsealed Spellbook do in League of Legends?
Unsealed Spellbook lets you swap a summoner spell for a new single-use one, first available at 6 minutes and only out of combat. It is in the Inspiration tree (Keystone).
Is Unsealed Spellbook good in Patch 26.21?
It is situational: a 49.21% win rate over 1,636 games in Patch 26.21, so it pays off mainly on the champions that use it best. It is D tier on the rune tier list. That is 1.3 points below its row's average of 50.5%.
Which champions should take Unsealed Spellbook?
By win rate with the rune: Alistar (Support), Rakan (Support). Alistar leads at 50.6% over 265 games. Most played with it: Rakan (Support), Alistar (Support), Twisted Fate (Mid). Support champions make up 52% of its games.
Unsealed Spellbook vs Aftershock: which is better?
On the same champions, Aftershock wins 0.8 points more often than Unsealed Spellbook (across 4 champion-lane pairs). Across all games: Unsealed Spellbook 49.2%, Aftershock 51.4%.
Is Unsealed Spellbook better early or late?
Early: Unsealed Spellbook wins 53.9% of games that end by 25 minutes but 51.5% of games past 35.