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Sion

Sion Top Build, Patch 26.20 — Runes, Ability Damage & ARAM Buffs/Nerfs

The Undead Juggernaut · Tank damageTankFighterJuggernautTop

Every number below is computed from Riot's official game data for patch 26.20 — the Worlds 2026 patch (Data Dragon, with Meraki Analytics ability values and Riot's published ARAM balance), not sampled from match histories. Open the interactive labs to test Sion against any opponent at any level.

Damage LabLaning matchupBuild LabARAM sheet

Sion build and runes (Top, patch 26.20)

Item order

  1. Jak'Sho, The Protean
  2. Plated Steelcaps
  3. Sterak's Gage
  4. Warmog's Armor
  5. Heartsteel
  6. Dead Man's Plate

Start: Doran's Shield, Health Potion
Situational: —

Rune page

Resolve · keystone Grasp of the Undying

Demolish, Conditioning, Overgrowth

Secondary: Hextech Flashtraption, Triple Tonic

Summoners: Flash, Ignite · Skill order: Q > E > W

Sion is classified Tank (durability-first); itemization computed from Jak'Sho, The Protean + current-patch item stats. Win-rate shown is an estimate and does not drive the build.

Sion base stats by level

LevelHealthAttack damageArmorMagic resistAttack speed
Level 165568.036.032.00.679
Level 699983.852.640.10.714
Level 111,418103.172.950.00.756
Level 182,134136.0107.466.80.829

Growth follows Riot's per-level curve: value = base + growth × (n−1) × (0.7025 + 0.0175 × (n−1)).

Sion ability damage per rank

Q — Decimating Smash physical

RankR1R2R3R4R5
Base damageno direct damage
Cooldown (s)10.09.08.07.06.0

Scaling: no scaling.

W — Soul Furnace magic

RankR1R2R3R4R5
Base damage406590115140
Cooldown (s)15.014.013.012.011.0

Scaling: 40/40/40/40/40% AP, 14/14/14/14/14% target max HP.

Sion W damage by champion level (own stats, no items)
LevelRankRaw damageCooldown
Level 1rank 140.015.0s
Level 3rank 265.014.0s
Level 6rank 390.013.0s
Level 9rank 5140.011.0s
Level 11rank 5140.011.0s
Level 13rank 5140.011.0s
Level 16rank 5140.011.0s
Level 18rank 5140.011.0s

E — Roar of the Slayer magic

RankR1R2R3R4R5
Base damage65100135170205
Cooldown (s)12.011.010.09.08.0

Scaling: 55/55/55/55/55% AP.

Sion E damage by champion level (own stats, no items)
LevelRankRaw damageCooldown
Level 1rank 165.012.0s
Level 3rank 2100.011.0s
Level 6rank 3135.010.0s
Level 9rank 5205.08.0s
Level 11rank 5205.08.0s
Level 13rank 5205.08.0s
Level 16rank 5205.08.0s
Level 18rank 5205.08.0s

R — Unstoppable Onslaught physical

RankR1R2R3
Base damage4008001,200
Cooldown (s)140.0100.060.0

Scaling: 80/80/80% bonus AD.

Sion R damage by champion level (own stats, no items)
LevelRankRaw damageCooldown
Level 6rank 1400.0140.0s
Level 9rank 1400.0140.0s
Level 11rank 2800.0100.0s
Level 13rank 2800.0100.0s
Level 16rank 31,200.060.0s
Level 18rank 31,200.060.0s

Sion ARAM buffs & nerfs (Howling Abyss balance modifiers)

Sion deals -10% damage and takes +10% damage on the Howling Abyss.

ARAM modifierValue
Damage dealt-10%
Damage taken+10%
Healing—
Shielding—
Attack speed—
Ability haste+-10
Tenacity—
Energy regen—

ARAM also starts champions at level 3 with 1,400 gold. The ARAM sheet applies these modifiers to every stat and ability side by side with Summoner's Rift.

Frequently asked

What is the best Sion build on patch 26.20?

RiftLab's stat-driven build for Sion Top is Jak'Sho, The Protean, Plated Steelcaps, Sterak's Gage, Warmog's Armor, Heartsteel, Dead Man's Plate, with Grasp of the Undying as the keystone. It is computed from the champion's damage profile and the opponent's resists, not from win-rate scraping.

Does Sion have ARAM modifiers?

Yes. On ARAM Sion deals -10% damage and takes +10% damage, +-10 ability haste.

How much health does Sion have at level 18?

Sion has 2,134 base health, 107.4 armor and 66.8 magic resist at level 18 with no items, on patch 26.20.

Data: Riot Data Dragon 26.20, Meraki Analytics, LoL Wiki ARAM table. Builds are stat-driven recommendations from RiftLab's optimizer, not win-rate aggregates.