Trundle's strength lies in early river contests and dueling weaker melee junglers like Nocturne before level 6.
Prioritize controlling river vision and contesting Scuttle when nearby lanes have priority to leverage Trundle's superior early dueling and objective control.
Jungle Plan
Invade Nocturne early when lanes have priority and after tracking his path to punish his slower early clears.
Contest first Scuttle only if your lanes can move first and set up pillar (E) to trap Nocturne near objectives.
Use pillar to cut off Nocturne's escape routes during counter-jungling or ganks, focusing on side lanes with strong follow-up.
Danger windows
Avoid river fights before level 6 if Nocturne's lanes have priority or if you lack vision to prevent multi-lane collapses.
Be cautious during low-health clears where Nocturne can capitalize on your reduced sustain and initiate with fear (E).
Respect Nocturne's ultimate (R) darkness ganks post-level 6; avoid isolated camps or lanes without vision and lane priority.
Early game
Start with a path that allows quick access to river Scuttle and first river fight to leverage Trundle's early dueling advantage.
Avoid committing to fights if Nocturne has lane priority or if nearby lanes cannot assist in river skirmishes.
Secure early camps efficiently to maintain health and tempo for contesting objectives or invading after level 3.
Power spikes
Level 6 (R) is a major spike; use (R) on durable targets to turn extended fights in your favor and reduce Nocturne's tankiness.
First dueling item completion enhances your ability to force side-lane trades and pressure towers, exploiting Nocturne's weaker sustained fights outside darkness (R).
Maintain extended fights inside (W) to maximize healing and attack speed, outlasting Nocturne in duels.
Win conditions
Convert early river control and successful invades into dragon and Rift Herald advantages by denying Nocturne access and vision.
Use pillar (E) and ultimate (R) to trap and stat-drain key tanky targets, enabling your team to win skirmishes and objective fights.
Leverage side-lane pressure after first item to force Nocturne into unfavorable extended duels or split-push scenarios where you excel.
Tip: For Trundle vs Nocturne, read overview, trading pattern, and danger windows first for a fast Jungle lane check.