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By GamGem ResearchLast updated 18 Oct 2026

Legendary · Summoner's Rift

Stormsurge — the Burst Mage's Squall

2,800gold

Stormsurge rewards burst: deal 25% of a champion's maximum Health within 2.5 seconds and Stormraider marks them with Squall, which strikes for magic damage 2 seconds later — or hits nearby enemies if the target dies first. It costs 2,800 gold, Hextech Alternator and Aether Wisp plus 800, for 90 AP, 15 Magic Penetration and 6% Move Speed; Shadowflame costs 3,200 for 110 AP. Mid laners took 61.1%.

What it grants

  • 90 Ability Power
  • 15 Magic Penetration
  • 6% Move Speed

Passives

  • Stormraider: Dealing 25% of a champion's maximum Health within 2.5s applies
  • Squall: to them.
  • Squall: After 2 seconds, deal magic damage. If the target dies before
  • Squall: triggers, it damages nearby enemies.

Stormsurge at a glance

Stormsurge is a legendary item on Summoner's Rift that costs 2,800 gold: Hextech Alternator and Aether Wisp plus 800 gold. It grants 90 Ability Power, 15 Magic Penetration and 6% Move Speed and the Stormraider, Squall, Squall and Squall passives. Nothing in the shop builds from it. Priced by its stat block alone, it returns 66.9% of its cost in stats.

Build path

Builds from

Combine cost

800

on top of 2 components, for 2,800 in total.

Builds into

Nothing — this is a finished item.

How it performed

Pick rate
3.5%
Win rate
52.5%
Completion
Not counted
Inventory slot
2
Games
22,981
Δ this patch
Not counted

patch 26.18 · Ranked Solo/Duo · Master+ · EUW · KR · NA · 65,406 matches counted

Who buys it

  • Top10.1%
  • Jungle6.9%
  • Mid61.1%
  • Bot12.7%
  • Support9.2%

Reach for it when

  • When behind on gold
  • Roaming
  • Into magic resist

Gold efficiency

66.9%1,872 gold of stats for 2,800

The stat block only — the passive is not priced.

22th of 25 items Riot tags SpellDamage, by this measure. Nearest: Rabadon's Deathcap 74.3%, Shadowflame 68.8%, Fated Ashes 66.7%, Oblivion Orb 62.5%.

90 Ability Power · 20g each, from Amplifying Tome
1800g
6% Move Speed · 12g each, from Boots
72g

Not priced, because Riot sells no single-stat item for magic penetration — so this figure covers the rest.

Stormsurge balance history

Riot's notes from patch 25.S1.1 to 26.20 change Stormsurge in 1 patch. The latest is patch 25.10, published 2025-05-13.

  1. Patch 25.102025-05-13

    • Total Gold Cost2900to2800
    • Move Speed4%to6%
    • Gold on preemptive takedown: Removed
    • Move Speed on Squall: Removed

Other items for the same job

All tagged “Spell Damage” by Riot.

Quick answers about Stormsurge

How much does Stormsurge cost?
2,800 gold in total — Hextech Alternator and Aether Wisp plus 800 gold.
What is Stormsurge built from?
Hextech Alternator (1,100) and Aether Wisp (900), plus 800 gold to combine.
What does Stormsurge build into?
Nothing — Stormsurge is a finished item.
What stats does Stormsurge give?
90 Ability Power, 15 Magic Penetration and 6% Move Speed.
What does Stormsurge's Stormraider passive do?
Dealing 25% of a champion's maximum Health within 2.5s applies
What does Stormsurge's Squall passive do?
to them.
What does Stormsurge's Squall passive do?
After 2 seconds, deal magic damage. If the target dies before
What does Stormsurge's Squall passive do?
triggers, it damages nearby enemies.
Where can you buy Stormsurge?
In Summoner's Rift and Howling Abyss (ARAM) — the maps Riot's own data marks it as sold on.
What does Stormsurge sell for?
1,960 gold, against 2,800 to buy.
Is Stormsurge gold efficient?
Its stats are worth 1,872 gold at basic-item prices against a cost of 2,800 — 66.9%. The passive is not priced, so this measures the stat block only.