Akali & Rakan Synergy
Akali Mid and Rakan Support win 47.9% of 1,508 Low Elo games together, -0.5 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.
Playing the duo
Rakan's Quickness(R) charms enemies and Grand Entrance(W) knocks them up, creating crowd control that can hold a target for Akali's follow-up damage.
How to play as Akali
Wait for Rakan's R-W engage to connect before committing your own burst; the charm and knock-up make it easier to land your follow-up.
Rakan's Battle Dance(E) can dash to Akali and grant her a shield, giving him a way to follow her dive or help her retreat.
How to play as Rakan
Use R into W to start the fight, then keep Battle Dance(E) available to shield Akali as she follows or to dash back to her after the engage.
Sources
These notes come from Mobalytics, checked against the champions' abilities.