What is the best Jhin build in Wild Rift?

The best Jhin build is the one that strengthens his fourth shot without breaking his setup. The Collector into Infinity Edge remains the most reliable base, then you adapt depending on whether you need more useful range, anti-frontline, or safety.

When should Jhin truly leave the standard build instead of pushing his execute thresholds further?

You should adapt as soon as Jhin no longer has the time or space to prepare his cycle. If dive reaches him too fast, if the frontline absorbs the first heavy shots, or if crowd control cuts his follow-up, you need to move up the tool that keeps the champion playable.

Which enchant should Jhin choose when the game mainly punishes the time needed to replay a clean cycle?

Quicksilver often remains the most reliable choice when enemy crowd control mainly stops you from playing another clean cycle. If your real problem is keeping enough distance to fire again, this enchant gives more value than a purely offensive option.

Jhin Wild Rift Best Build Guide (Patch 7.2a)

Jhin’s default build works because it respects how he truly wins fights: first reducing enemy space and available health, then punishing very hard the moment they no longer have the right to step forward.