Yone & Aurelion Sol Synergy
Yone Top and Aurelion Sol Mid win 54.4% of 1,526 Low Elo games together, +1.8 points vs expected, 2-patch window 26.19-26.20.
Researched on LoL patch 26.20. Tips are written to hold at any rank; stats come from Low Elo ranked games up to patch 26.20.
Why this duo works
Yone's area knockups and pull can hold several enemies together for Aurelion Sol's E/R area damage and crowd control. Aurelion Sol mains describe hard area lockdown into E and R as a strong setup; Yone can provide that setup from the top lane.
Playing the duo
Mortal Steel(Q) at two stacks and Fate Sealed(R) can knock up or pull enemies together, setting up Aurelion Sol's Singularity(E) and Falling Star(R) to keep several targets in one area.
How to play as Yone
Look for a Q3 or R engage when Aurelion Sol has E and R ready, so his area control can follow the knockup and pull.
How to play as Aurelion Sol
Place Singularity(E) where Yone is pulling the enemy team, then follow with Falling Star(R) while they are still grouped or airborne.
Sources
These notes come from r/Aurelion_Sol_mains, checked against the champions' abilities.