Early: build Fury without donating the lane

0:00–14:00, especially the first three waves, each crash, and every recall window

From 0:00 to roughly 14:00, secure Fury through safe attacks and last hits without treating every full Fury bar as permission to fight. If the enemy wave is larger, take the safer CS and avoid an extended trade; if your wave is stronger and Spinning Slash is available, threaten the enemy as they last-hit. Use Bloodlust when its healing changes the next wave or prevents a forced recall, not merely because Fury is available. Crash before recalling, and if ahead, hold a favorable wave near your side; if behind, prioritize XP and a clean reset over defending an impossible position.

Lane

Lane: fight around Fury and wave position

If the wave is near your side and Tryndamere has Fury plus Spinning Slash available, then threaten the last-hit zone without committing to a long trade; if he spends the dash or loses Fury, use that window to push or take a short all-in. If the wave is crashed under his turret, prioritize a fast reset or map move rather than chasing into terrain.

With Tryndamere

• If Tryndamere is in a side lane with a favorable duel, play four on the opposite half without taking a blind 4v5. When two enemies move to answer him, push the visible lane, take vision, or start the available objective only if your numbers and wave states support it.
• If Tryndamere is preparing an objective flank, give him time to crash the opposite wave and avoid starting the fight before he can arrive. A short delay that preserves his Teleport or arrival angle is more useful than forcing an engagement while he is still catching minions.
• If Tryndamere enters with Undying Rage active, let him draw attention while damage dealers use the space behind him. If the enemy disengages, stop chasing past the objective area; convert the health and cooldown advantage into the tower, neutral objective, or reset that is actually available.