MacroMind matchup data: real ranked games, not opinions
Sion vs Cassiopeia
How often does Sion beat Cassiopeia in Top?
Sion into Cassiopeia in Top: 46% observed win rate across 191 ranked games.
Global ranked sample: games from every region and every rank pooled together, not one server's stats. Data runs through patch 26.12; curves updated 2026-08-07.
By 15 minutes the median game has Sion ahead by 407 gold.
Sion at 15:00
- Gold: +407
- CS: -2
- XP: +444
Typical gap to Cassiopeia, from 191 games that reached 15:00.
Does Sion counter Cassiopeia?
No counter here: Sion sits at 46% over 191 games. The swing lives in the spots below, so play the side you know better and chase the row that moves the number the most in this lane, then hold that lead through the first back.
Beating Cassiopeia: the Sion game plan
A gold lead at 10:00 puts Sion at 49% across 100 games. Flip the lead and Sion falls to 43% across 91.
| The spot | Win rate | Games |
|---|---|---|
| Ahead in gold at 10:00 | 49% | 100 |
| Behind in gold at 10:00 | 43% | 91 |
| First blood | 50% | 70 |
| +kills at 10:00 | 52% | 60 |
| +CS at 10:00 | 56% | 77 |
Someone usually dies here around 4:21 in the median game, and level 6 lands near 5:27. Until your spike is online, respect the all-in.
Sion's Top build, with receipts
Into Cassiopeia specifically, Sion finishes Hollow Radiance first most often: 47.0% over 66 games of this matchup.
The most-finished Sion core is Sunfire Aegis, Unending Despair, Jak'Sho, The Protean: 54.4% across 1,249 games when all three got done. All matchups, patches 26.1-26.12.
Most games start Doran's Shield + Health Potion; the first finished item is usually Sunfire Aegis (12,495 games).
Skill plan: Sion players max Q first and take Q at level 1.