League of Legends Sion Guide: Best Build, Runes, Items, Combos

Sion is one of the most durable and disruptive tanks in League of Legends, known for his massive health pool, strong engage, and game-changing crowd control. Whether you’re initiating fights with unstoppable force or zoning enemies with his powerful Q and E combo, Sion thrives in both team fights and split-pushing scenarios. In this guide, we’ll break down the best Sion build, runes, and item choices for Season 16, along with key combos to help you maximize his potential in every game.

Sion Abilities Overview In League of Legends

Here’s a full overview of Sion’s abilities in League of Legends:

Passive – Glory in Death:
When Sion dies, he briefly comes back to life with rapidly decaying Health. During this time, his attacks become extremely fast, deal bonus damage, and heal him for a portion of the target’s max HP.

Q – Decimating Smash:
Sion charges up a massive hammer swing, dealing damage in a wide area. The longer it’s charged, the more damage it deals and the longer it knocks up enemies hit at the center.

W – Soul Furnace:
Sion gains a shield after a brief delay. If the shield remains after a few seconds, Sion can reactivate the ability to deal damage to nearby enemies. Every time Sion kills enemies, he permanently gains max HP.

E – Roar of the Slayer:
Sion fires a shockwave that slows and damages the first enemy it hits. If it hits a minion or monster, it knocks them back, damaging and slowing any enemies hit along the way.

R – Unstoppable Onslaught:
Sion charges forward in a straight line, becoming immune to crowd control. If he collides with an enemy or a wall, he deals massive damage and knocks up enemies in the area based on the distance traveled.

How To Play Sion In League of Legends

Best Summoner Spells for Sion

For Sion in the top lane, the best summoner spells are Flash and Teleport. Flash is essential for making big engages with your Q or R, as well as escaping dangerous situations when overextended. Teleport allows you to return to lane quickly after early fights or deaths and gives you the ability to pressure other lanes with surprise flanks or objective control. While Ignite can be a fun alternative for aggressive kill pressure—especially in off-meta lethality builds—it’s generally riskier and not as reliable for sustained impact. Stick with Flash and Teleport for the most consistent results, especially in ranked play.

Best Runes For Sion

The best runes for Sion depend on whether you’re playing him as a tank or going for a more aggressive lethality build, but for standard top lane tank Sion, Grasp of the Undying is the go-to keystone. It gives you bonus damage and healing in trades while scaling your max HP, which synergizes perfectly with Sion’s naturally tanky kit. Pair it with Demolish to help you take towers faster, Second Wind for extra sustain in tough lanes, and Overgrowth to scale your health even more over time. In the secondary tree, go Inspiration with Magical Footwear and Biscuit Delivery for sustain and gold efficiency. Take Attack Speed, Armor, and HP shards for optimal lane performance.

Best Build For Sion

The best build for Sion in League of Legends in most games starts with Heartsteel as your mythic, giving you huge HP scaling and bonus damage on each attack. Follow up with Sunfire Aegis or Thornmail depending on whether you need more waveclear or anti-heal. Titanic Hydra is a must-have for bonus HP damage and extra wave pushing. After that, go for Jak’Sho the Protean, Randuin’s Omen, or Force of Nature based on the enemy team comp. If you’re ahead or playing a more damage-heavy style, you can build Hullbreaker and Prowler’s Claw (for lethality Sion). Always adapt based on your role—tank Sion thrives with massive HP stacking, while lethality Sion looks to one-shot backlines and split-push with high damage.

Best Combos To Learn For Sion

Here are the best combos to learn for Sion in League of Legends:

1. Standard All-In Combo:
Q (Charge) → W → Auto → E → Auto → R (if needed)
Use this in lane or team fights to deal heavy damage and lock down your target. Charging Q before walking up can force a flash or guarantee a knock-up.

2. Quick Poke Combo:
E → Q (quick tap)
This is great for short trades in lane. Hit your E first to slow and reduce armor, then follow up with an instant Q for easy poke.

3. Tower Dive Combo:
R (from range) → Q (instantly on landing) → W → E
Start with your ultimate to crash into your target under tower. Quickly press Q as you land to knock them up, follow with your shield and E to secure the kill. This works well when your team is diving or you’re ahead.

4. Waveclear Combo:
E → Q (full charge) → W → Auto
Hit ranged minions or champions with E, line them up with melee minions, and full-charge Q through all of them. Activate your shield and auto to finish off the wave.

5. Lethality Sion One-Shot:
R → Prowler’s Claw → Q (charged) → E → W → Auto
This combo is for lethality Sion. Land your ultimate, then Prowler’s Claw for gap close and bonus damage, followed by a hard-hitting charged Q and full rotation. Most squishies will get deleted if you hit the full combo.

Mastering these combos helps you pressure lane, control team fights, and be a threat regardless of your build.

Conclusion

Sion is one of the most versatile and impactful champions in League of Legends, offering a mix of tankiness, crowd control, and map pressure that fits nearly any team composition. Whether you’re going full tank to frontline in team fights or opting for a lethal split-push build to one-shot squishies and shred towers, mastering Sion’s build path, runes, and combos is key to dominating your lane and staying relevant throughout the game. With the right setup and smart plays, Sion can carry games through both brute force and relentless pressure.