Sion ARAM Mayhem Build

The Undead Juggernaut. A middle-of-the-pack pick in ARAM Mayhem on patch 26.21: #56 of 173 champions.

BPatch 26.21TankFighterNo runes in Mayhem

Tier: B
Win rate: 50.7%
Pick rate: 6.2%
Rank: #56 of 173
Games: 1,429,758
Patch: 26.21

How to play Sion in ARAM Mayhem

Sion is a solid, middle-of-the-pack pick in ARAM Mayhem on patch 26.21: tier B, #56 of 173 champions, with a 50.7% win rate over 1,429,758 games.

Sion's damage is mixed (67% physical, 23% magic), which makes it awkward for the enemy team to itemize against. It soaks 119,387 damage per game and mitigates another 158,345, so it belongs at the front: start fights and absorb the poke your carries can't. It dies 13.5 times per game on average: it trades its life for impact, so time your engages with your team.

The Tank build, tank items, is both the most played and the top-ranked path: Heartsteel, Hollow Radiance and Unending Despair, with a 51.5% win rate over 998,253 games. On this build 47% of players skip boots and spend the slot on another item.

The cards that do best on Sion are Steel Your Heart, Pressure Cooker and Goliath. Cards built around health and resistances fill most of the top of its list, followed by movement speed. Skip Brass Blast and Upgrade Ravenous Hydra when you can: they do worst on Sion. A pair to look for: Steel Your Heart with Pressure Cooker.

Take Flash and Mark (94% of players). Max Q (Decimating Smash) first, then W, then E.

Sion ARAM Mayhem build

ARAMKit groups every Sion game by build path. The top-ranked path comes first, with the items most players start with, buy first and add later.

Tank build · top ranked

51.5% win rate · 80% of Sion games · 998,253 games

Start

Ruby Crystal
Bami's Cinder

Core items, in buying order

Heartsteel
Hollow Radiance
Unending Despair

Boots on the Tank build for Sion, top ranked first, with the share of players who buy them
Boots, best first	Players
No boots	47%
Mercury's Treads	44%
Plated Steelcaps	6%

Situational, after the core

Warmog's Armor46% buy it
Overlord's Bloodmail22% buy it
Titanic Hydra14% buy it
Kaenic Rookern9% buy it
Jak'Sho, The Protean28% buy it
Spirit Visage4% buy it

Other build paths

Other Sion build paths with share of games, win rate and core items
Path	Games	Win rate
BruiserHeartsteel, Titanic Hydra, Overlord's Bloodmail	2.1%	52.1%
LethalityHubris, The Collector, Axiom Arc	0.4%	44.6%
CritThe Collector, Lord Dominik's Regards, Infinity Edge	1.5%	44.6%

Games: the share of all Sion games that went this way.

Most bought items

Heartsteel89% of games
Unending Despair61% of games
Warmog's Armor58% of games
Thornmail39% of games
Mercury's Treads31% of games
Overlord's Bloodmail27% of games
Jak'Sho, The Protean22% of games
Hollow Radiance21% of games
Titanic Hydra20% of games
Randuin's Omen16% of games

Best augments for Sion

Every card with enough Sion games, by tier and best first within each tier. Tiers are Sion's own: a card can be S tier here and C tier on another champion. As Riot's policy asks, cards are shown by tier and order only, never with a win rate. Click a card for its own page; the augment tier list ranks them over all champions.

PrismaticBest prismatic cards

1GoliathTier S
2Mad ScientistTier S
3Omni SoulTier S

GoldBest gold cards

SilverBest silver cards

S- and A-tier cards for Sion

9 S tier and 30 A tier, best first.

The S- and A-tier augments for Sion in ARAM Mayhem, best first, with their rarity and what they do
Augment	Rarity	Tier	What it does
Steel Your Heart	Gold	Tier S	QUEST: Possess Heartsteel with 300 stacks. REWARD: Multiply Heartsteel stacks by 3.
Pressure Cooker	Gold	Tier S	Every second, apply an infinitely stacking Burn to nearby enemy champions, dealing (0.5% Max Health) magic damage per second for 2 seconds…
Goliath	Prismatic	Tier S	Become large, gaining 35% Health and 15% Adaptive Force.
Forged By The Master	Silver	Tier S	Your Item and Augment damage are increased by 45%.
Upgrade Immolate	Silver	Tier S	Hollow Radiance and Sunfire Aegis grant 12 Gold per target affected with Immolate. Gain 250 Gold.
Heavy Hitter	Silver	Tier S	Your Attacks deal additional (3.5% Max Health) physical damage.
Mad Scientist	Prismatic	Tier S	On each Revive, you grow large (gaining 30% Adaptive Force and 20% Health) or tiny (gaining 70 Ability Haste and 40% Movement Speed).
Omni Soul	Prismatic	Tier S	Gain 3 random Dragon Souls.
Hand of Baron	Prismatic	Tier S	Gain 25% Adaptive Force. Nearby allied minions are greatly empowered.
Armored Impact	Gold	Tier A	After casting an Ability, your next Attack deals (50–125 (by level) +250% Bonus Armor) bonus physical damage to nearby enemies.
Leg Day	Silver	Tier A	Gain 50 Movement Speed and 50% Slow Resist.
Fruitify	Silver	Tier A	Scoring a Takedown causes the slain champion to explode into 3–6 (by level) Fruit. Fruit restores 6% of your maximum health and restores 6%…
The Boom and the Bass	Gold	Tier A	After casting an Ability, your next Attack within 6 seconds is faster, deals Melee (50–200 (by level) +50% Bonus Attack Damage+30% Ability…
Escape Plan	Silver	Tier A	Gain a massive (65% Max Health) decaying Shield, decaying 150% Movement Speed, and a decaying shrink effect upon reaching 35% Health (75…
Growth Spurt	Gold	Tier A	Gain Growth Spurt as a Summoner Spell. Growth Spurt suddenly increases your size, Knocking Up nearby enemies for 1 second and granting…
Erosion	Silver	Tier A	Damaging enemies shreds 1.5% Armor and Magic Resist for 4s, up to 30% at 20 stacks.
Sap Magic	Gold	Tier A	Every 20 seconds, your next Attack deals (80–300 (by level) +5% Bonus Health) bonus physical damage and restores (50–250 (by level) +8% Max…
Donation	Gold	Tier A	Receive 1750 Gold. Thanks chat!:)
Porcupine	Gold	Tier A	Taking damage from champions builds up a burst of needles. At critical mass, the needles burst, dealing (75–200 (by level) +125% Bonus…
FireFox	Silver	Tier A	Autocast: Gain 25% movement speed and conjure three flames that orbit you every 9 seconds, targetting the closest visible enemy in range and…
Urf's Champion	Prismatic	Tier A	QUEST: Score 18 takedowns. REWARD: Gain The Golden Spatula.
Dive Bomber	Silver	Tier A	Explodes when you die, dealing 20% of the target's max Health as true damage to nearby enemies.
Ocean Soul	Silver	Tier A	Gain the Ocean Soul, granting high Health and Mana Regen after damaging enemies.
Tank Engine	Gold	Tier A	On takedown, gain a stack that grants 5% increased size and 5% max Health. Lose 65% of stacks on death.
Clown College	Prismatic	Tier A	Backstab: You deal (20–35 (by level) +35% Ability Power +50% Bonus Attack Damage) bonus physical damage when striking from behind. Deceive…
Endless Decimation	Gold	Tier A	Autocast a circular axe swing that deals physical damage every 8 seconds in combat. Enemies along the outer edge take increased damage…
Celestial Body	Gold	Tier A	Gain 1500 Health, but you deal 10% less damage.
Blade Waltz	Prismatic	Tier A	Makes you untargetable while you dash at and deal (30–150 (by level) +10% Bonus Attack Damage+6% Ability Power) damage to enemies 8 times…
Kill Secured	Silver	Tier A	Gain 60% Movement Speed towards enemies below 40% health.
Transmute: Chaos	Prismatic	Tier A	Gain 2 random Augment Tier Augments.
Transmute: Prismatic	Gold	Tier A	Gain a random Augment Tier Prismatic Augment.
Stats!	Silver	Tier A	Gain 2 Stat Anvils!
Shark Tempest	Gold	Tier A	Sharks circle your Snowball, slowing and dealing 100–200 (by level) magic damage to enemies they pass through. If your Snowball hits a…
Stats on Stats!	Gold	Tier A	Gain 3 Stat Anvils, with a higher chance of Gold and Prismatic Anvils!
Giant Slayer	Prismatic	Tier A	Become tiny, gain 20% Movement Speed, and deal between 10% and 30% bonus damage to champions based on how much larger they are than you.
Apex Inventor	Gold	Tier A	Gain 100 Item Haste (equivalent to 50% Item CDR). Item Haste reduces the cooldown Cooldown of all Item Abilities.
Scopiest Weapons	Prismatic	Tier A	Gain Melee 250 / Ranged 150 Attack Range.
Weapon of Destiny	Gold	Tier A	Your first Legendary Item becomes the Weapon of Destiny. When a champion you damaged within the last 3 seconds dies, increase the Weapon of…
Ultra Hydra	Prismatic	Tier A	Gain a Tiamat when completing a Hydra Item. QUEST: Possess Titanic Hydra, Ravenous Hydra and Profane Hydra. REWARD: Get Ultra Hydra.

Average on Sion
57 cards, best first

Below average on Sion
29 cards, best first

Weakest on Sion
12 cards, best first

Best first augment for Sion

Your first card decides the early fights, and a card that is great as a first pick can be a weak fourth. ARAMKit ranks Sion's cards for each pick on its own; these are the top five per pick, with their tier in that pick. For the first pick, Steel Your Heart, Upgrade Immolate and Pressure Cooker come out on top.

The best augments for Sion in each pick of an ARAM Mayhem game, best first, with their tier in that pick
#	First pick	Second pick	Third pick	Fourth pick
1	Steel Your HeartTier S	Steel Your HeartTier S	Hand of BaronTier S	Forged By The MasterTier S
2	Upgrade ImmolateTier S	Pressure CookerTier S	GoliathTier S	GoliathTier S
3	Pressure CookerTier S	Upgrade ImmolateTier S	Forged By The MasterTier S	Heavy HitterTier S
4	GoliathTier S	GoliathTier S	Heavy HitterTier S	Mad ScientistTier S
5	Heavy HitterTier S	Forged By The MasterTier S	Mad ScientistTier S	Omni SoulTier S

Strong card pairs

Two cards that do especially well together on Sion, best pair first.

Summoner spells and skill order

Summoner spells

Flash + Mark94% of players · 50.8% win rate
Flash + Ghost4% of players · 49.9% win rate
Ghost + Mark1% of players · 50.4% win rate

Skill order

QDecimating Smash
WSoul Furnace
ERoar of the Slayer

Max Q first. 69% of players use this order (51.5% win rate); put points in R whenever you can.

Sion in an average Mayhem game

Averages per game over every game on this patch.

K / D / A: 9.2 / 13.5 / 28.5
KDA: 3.04
Damage to champions: 44,964
Damage taken: 119,387
Self-mitigated: 158,345
Healing on allies: 2
Shielding on allies: 0
Crowd control: 45 s
Kill participation: 67%
Game length: 17:34

Damage type

Physical 67%Magic 23%True 10%

Questions and answers

What is the best Sion build in ARAM Mayhem?

On patch 26.21 ARAMKit ranks the Tank build first for Sion: Heartsteel, Hollow Radiance and Unending Despair. It is also the most played build.

What are the best augments for Sion in ARAM Mayhem?

The S-tier cards for Sion, best first: Steel Your Heart, Pressure Cooker, Goliath, Forged By The Master and Upgrade Immolate. The full list by tier is on this page.

Is Sion good in ARAM Mayhem?

Sion is tier B on patch 26.21, #56 of 173 champions, with a 50.7% win rate over 1.4 million games. That makes it a solid, middle-of-the-pack pick in ARAM Mayhem right now.

What is the best first augment for Sion in ARAM Mayhem?

For Sion's first pick on patch 26.21: Steel Your Heart, Upgrade Immolate, Pressure Cooker, Goliath and Heavy Hitter, best first. Cards rank differently in later picks; the table on this page has all four.

Other Tanks in ARAM Mayhem

Get Sion's build and card tiers in your game

LazyElo is a free Windows app that sits next to the League client. In the Mayhem lobby it shows which champion on your bench is strongest; in the game you type the three cards you're offered and see their tier for Sion side by side, with this build in the overlay.

Download LazyElo for Windows

Free plan, no ads. For Windows 10 and 11.

Plans and pricing The ARAM Mayhem overlay

ARAM Mayhem tier list
Every champion by tier on patch 26.21.
ARAM Mayhem augment tier list
Every card from S to D over all champions.
All Mayhem builds
Pick a champion from the full list.
ARAM Mayhem rules
Augment levels, rerolls and why there are no runes.
ARAM Mayhem guide
How the mode, the cards and the picks work.
Sion counters
Its lane matchups on Summoner's Rift.
ARAM Mayhem overlay
The card picker and build in the app.

Source: ARAMKit, used with permission. Patch 26.21, 23,177,263 ARAM Mayhem games, data of October 28, 2026. Riot keeps Mayhem games out of its public match API, so these aggregates come from ARAMKit. Card tiers are shown without win rates, as Riot's developer policy asks.