Rek'Sai must leverage her very high early game pressure and fast clears to disrupt Fiddlesticks before he hits level 6.
Prioritize aggressive invades and river control to deny Fiddlesticks his scaling and objective setups, as he relies on vision and ultimate ambushes to impact the game.
Jungle Plan
Path aggressively to invade Fiddlesticks's jungle camps before level 6 to deny his power farm and force him into defensive clears.
Fight for river control and Scuttle when your lanes have priority to establish early objective setups and vision dominance.
Use tunnel angles to gank flashless or overextended lanes repeatedly, snowballing leads before Fiddlesticks can reach his teamfight power spike.
Danger windows
Avoid isolated river fights before level 6 where Fiddlesticks can use fear (Q) and silence (E) to punish overextensions.
Be cautious contesting objectives without lane priority or vision, as Fiddlesticks's ultimate (R) can turn fights with surprise ambushes.
Watch for low-health clears where forced smite fights can be lost if Rek'Sai is out of position or vision is lacking.
Early game
Start with a three-camp clear into an early invade or counter-invade to exploit Fiddlesticks's low early invade resistance.
Contest first Scuttle only if nearby lanes have priority to avoid risky isolated river fights.
Use tunnels to maintain vision and quick access to volatile camps and lanes for early ganks or counter-ganks.
Power spikes
Rek'Sai spikes at level 3 with full tunnel access and knockup (W), enabling strong early ganks and dueling; use this to force Fiddlesticks off camps.
Rek'Sai's ultimate (R) provides execute chase potential; use it to finish fleeing targets or secure kills during early skirmishes.
Respect Fiddlesticks's level 6 spike when he gains his ultimate (R) for ambushes; avoid extended river fights without vision control.
Win conditions
Convert early gank pressure and successful invades into dragon and Rift Herald control by securing vision and forcing Fiddlesticks to farm defensively.
Use tunnel mobility to counter-gank and punish Fiddlesticks's post-6 gank attempts, denying him successful ambushes.
Snowball leads by denying Fiddlesticks free farm and scaling, forcing him into teamfights where Rek'Sai's early advantage can translate into map control and objectives.
Tip: For Rek'Sai vs Fiddlesticks, read overview, trading pattern, and danger windows first for a fast Jungle lane check.
