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By GamGem ResearchLast updated 20 Aug 2026 · 00:00

Basic · Summoner's Rift

Amplifying Tome

400gold

Slightly increases Ability Power

What it grants

  • 20 Ability Power

Passives

Stats only — this item has no passive. See the shop for items that do.

Build path

Builds from

Nothing — this item is bought whole.

Combine cost

400

The full 400 is paid at once.

Builds into

How it performed

Pick rate
24.7%
Win rate
53.5%
Completion
100.0%
Purchase slot
1
Games
153,242
Δ this patch
+0.7

Summoner's Rift · patch 26.16 · Emerald+ · NA

Who buys it

  • Top31.4%
  • Jungle2.5%
  • Mid19.9%
  • Bot15.3%
  • Support31.0%

Gold efficiency

100.0%400 gold of stats for 400

The stat block only — the passive is not priced.

20 Ability Power · 20g each, from Amplifying Tome
400g

Other items for the same job

All tagged “Spell Damage” by Riot.