Unsealed Spellbook rune icon - League of Legends
Win Rate
48.0%
Pick Rate
0.2%

Unsealed Spellbook vs Aftershock vs Glacial Augment

InspirationKeystone
Patch
26.19
Games with rune
734
Lane
All Lanes
Tier
All Tiers
Last Updated
Oct 6, 2026 UTC
Methodology
Data Methodology
Author
Dakota Chinnick
Swap one of your equipped Summoner Spells to a new, single use Summoner Spell. Each unique Summoner Spell you swap to permanently decreases your swap cooldown by 25s (initial swap cooldown is @f3@ seconds).

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
48.0%−1.9 vs row avg
Pick Rate
0.2%
Best champion
Rakan · 49.0%
Most played by
Rakan
Main lane
Support · 67%

Unsealed Spellbook vs alternatives

Patch 26.19 · All ranks

Only one keystone fits on a rune page. Here is Unsealed Spellbook against the 6 keystones players most often take instead, on the same champions and overall.

Unsealed Spellbook48.0%0.2% PR · 734 games
Aftershock50.4%4.3% PR · 19,695 games

On the same champions, Aftershock wins 0.6 points more often than Unsealed Spellbook across 4 champion-lane pairs. Aftershock is a keystone from another tree, so switching also changes your primary tree.

Unsealed Spellbook vs Aftershock on the same champions

ChampionUnsealed SpellbookAftershockΔ WR
Alistar · Support47.1% 21051.3% 2,204−4.2
Blitzcrank · Support56.5% 9250.0% 1,551+6.6
Thresh · Support47.5% 6150.6% 4,831−3.1
Rakan · Support49.0% 24943.9% 41+5.1

By lane

LaneUnsealed SpellbookAftershock
Top— 5947.1% 537
Jungle— 3452.3% 3,997
Mid57.1% 14051.4% 584
ADC— 11— 30
Support45.2% 48950.1% 14,542

By game length

Per-minute stats

StatUnsealed SpellbookAftershock
Damage to champions430426
Healing244235
Damage mitigated8921,444
Objective damage197260
Kills0.0990.096
Deaths0.2160.216

See Aftershock's own comparisons →

Unsealed Spellbook48.0%0.2% PR · 734 games
Glacial Augment49.3%1.3% PR · 5,716 games

Played by the same champions, Unsealed Spellbook comes out 1.7 points ahead of Glacial Augment (5 shared champion-lanes). Unsealed Spellbook and Glacial Augment share a row, so it is a straight either-or choice.

Unsealed Spellbook vs Glacial Augment on the same champions

ChampionUnsealed SpellbookGlacial AugmentΔ WR
Alistar · Support47.1% 21046.8% 513+0.4
Rakan · Support49.0% 24947.7% 214+1.3
Blitzcrank · Support56.5% 9249.3% 3,691+7.2
Thresh · Support47.5% 6148.0% 2,014−0.4
Zilean · Support52.6% 3855.6% 63−2.9

By lane

LaneUnsealed SpellbookGlacial Augment
Top— 59— 26
Jungle— 3446.8% 126
Mid57.1% 140— 37
ADC— 11— 15
Support45.2% 48949.6% 5,508

By game length

Per-minute stats

StatUnsealed SpellbookGlacial Augment
Damage to champions430341
Healing244168
Damage mitigated892950
Objective damage197102
Kills0.0990.070
Deaths0.2160.225

See Glacial Augment's own comparisons →

Unsealed Spellbook48.0%0.2% PR · 734 games
Guardian50.8%1.5% PR · 6,607 games

Played by the same champions, Guardian comes out 0.8 points ahead of Unsealed Spellbook (6 shared champion-lanes). Guardian is a keystone from another tree, so switching also changes your primary tree.

Unsealed Spellbook vs Guardian on the same champions

ChampionUnsealed SpellbookGuardianΔ WR
Rakan · Support49.0% 24950.5% 2,091−1.6
Thresh · Support47.5% 6152.8% 3,020−5.3
Blitzcrank · Support56.5% 9252.1% 71+4.4
Alistar · Support47.1% 21050.0% 34−2.9
Zilean · Support52.6% 3840.9% 93+11.8
Bard · Support44.7% 4748.0% 50−3.3

By lane

LaneUnsealed SpellbookGuardian
Top— 59— 14
Jungle— 3450.8% 122
Mid57.1% 140— 8
ADC— 11— 12
Support45.2% 48950.8% 6,448

By game length

Per-minute stats

StatUnsealed SpellbookGuardian
Damage to champions430285
Healing244249
Damage mitigated892909
Objective damage197108
Kills0.0990.055
Deaths0.2160.203

See Guardian's own comparisons →

Unsealed Spellbook48.0%0.2% PR · 734 games
Electrocute49.1%9.6% PR · 43,772 games

On the same champions, Unsealed Spellbook wins 3.4 points more often than Electrocute across 5 champion-lane pairs. Electrocute is a keystone from another tree, so switching also changes your primary tree.

Unsealed Spellbook vs Electrocute on the same champions

ChampionUnsealed SpellbookElectrocuteΔ WR
Twisted Fate · Mid49.7% 18747.6% 395+2.1
Alistar · Support47.1% 21044.0% 141+3.2
Rakan · Support49.0% 24944.2% 104+4.8
Blitzcrank · Support56.5% 9245.5% 134+11.0
Bard · Support44.7% 4748.8% 2,125−4.1

By lane

LaneUnsealed SpellbookElectrocute
Top— 5948.3% 3,143
Jungle— 3446.5% 5,303
Mid57.1% 14049.8% 29,025
ADC— 1149.0% 1,013
Support45.2% 48948.1% 5,271

By game length

Per-minute stats

StatUnsealed SpellbookElectrocute
Damage to champions430825
Healing244205
Damage mitigated892553
Objective damage197345
Kills0.0990.262
Deaths0.2160.221

See Electrocute's own comparisons →

Unsealed Spellbook48.0%0.2% PR · 734 games
Arcane Comet49.9%8.5% PR · 38,543 games

Played by the same champions, Unsealed Spellbook comes out 1.4 points ahead of Arcane Comet (4 shared champion-lanes). Arcane Comet is a keystone from another tree, so switching also changes your primary tree.

Unsealed Spellbook vs Arcane Comet on the same champions

ChampionUnsealed SpellbookArcane CometΔ WR
Twisted Fate · Mid49.7% 18750.7% 1,579−0.9
Zilean · Support52.6% 3847.8% 600+4.8
Blitzcrank · Support56.5% 9241.9% 31+14.6
Twisted Fate · Support38.2% 3438.8% 49−0.5

By lane

LaneUnsealed SpellbookArcane Comet
Top— 5949.5% 4,074
Jungle— 3449.5% 833
Mid57.1% 14049.9% 12,661
ADC— 1150.1% 3,706
Support45.2% 48950.1% 17,242

By game length

Per-minute stats

StatUnsealed SpellbookArcane Comet
Damage to champions430775
Healing244120
Damage mitigated892476
Objective damage197245
Kills0.0990.172
Deaths0.2160.209

See Arcane Comet's own comparisons →

Unsealed Spellbook48.0%0.2% PR · 734 games
Summon Aery51.4%5.6% PR · 25,528 games

Overall, Summon Aery wins 3.4 points more often than Unsealed Spellbook; with little champion overlap, part of that gap is who plays each rune. Summon Aery is a keystone from another tree, so switching also changes your primary tree.

Unsealed Spellbook vs Summon Aery on the same champions

ChampionUnsealed SpellbookSummon AeryΔ WR
Zilean · Support52.6% 3851.9% 1,357+0.8

By lane

LaneUnsealed SpellbookSummon Aery
Top— 5948.0% 829
Jungle— 3445.9% 416
Mid57.1% 14049.0% 2,492
ADC— 1151.9% 260
Support45.2% 48951.9% 21,516

By game length

Per-minute stats

StatUnsealed SpellbookSummon Aery
Damage to champions430380
Healing244380
Damage mitigated892375
Objective damage197134
Kills0.0990.072
Deaths0.2160.187

See Summon Aery's own comparisons →

Same-champion difference: for every champion and lane with 30+ games on both runes, the win-rate gap, weighted by the smaller sample. This removes the bias of each rune's champion mix.

Unsealed Spellbook and its alternatives

All candidates at a glance. The same-champion column shows how each alternative does against Unsealed Spellbook on the champions that take both.

RuneWin RatePick Ratevs this rune (same champions)Shared champions
Unsealed Spellbook This rune48.0%0.2%——
Aftershock · other tree50.4%4.3%+0.64
Glacial Augment49.3%1.3%−1.75
Guardian · other tree50.8%1.5%+0.86
Electrocute · other tree49.1%9.6%−3.45
Arcane Comet · other tree49.9%8.5%−1.44
Summon Aery · other tree51.4%5.6%—1
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Unsealed Spellbook vs other runes – Patch 26.19

Unsealed Spellbook vs Aftershock: which is better?

On the same champions, Aftershock wins 0.6 points more often than Unsealed Spellbook across 4 champion-lane pairs. Across all games: Unsealed Spellbook 48.0%, Aftershock 50.4%. Aftershock is a keystone from another tree, so switching also changes your primary tree.

Unsealed Spellbook vs Glacial Augment: which is better?

On the same champions, Unsealed Spellbook wins 1.7 points more often than Glacial Augment across 5 champion-lane pairs. Across all games: Unsealed Spellbook 48.0%, Glacial Augment 49.3%. Unsealed Spellbook and Glacial Augment share a row, so it is a straight either-or choice.

Unsealed Spellbook vs Guardian: which is better?

On the same champions, Guardian wins 0.8 points more often than Unsealed Spellbook across 6 champion-lane pairs. Across all games: Unsealed Spellbook 48.0%, Guardian 50.8%. Guardian is a keystone from another tree, so switching also changes your primary tree.

Unsealed Spellbook vs Electrocute: which is better?

On the same champions, Unsealed Spellbook wins 3.4 points more often than Electrocute across 5 champion-lane pairs. Across all games: Unsealed Spellbook 48.0%, Electrocute 49.1%. Electrocute is a keystone from another tree, so switching also changes your primary tree.

See Also

Unsealed Spellbook: what it doesBest Unsealed Spellbook championsUnsealed Spellbook win rate & statsRune Tier ListAll Rune Win RatesChampion Tier List (Patch 26.19)