Tip overview

Jenos' healing is independent of his location. Expect him to flank your team while still healing his. If he tries to run away, don't try to chase the kill as he can waste time but instead scare him away from his team, lest he support in hiding

Jenos actually an off combat healer since he can heal through walls and trying to not exposed.try to find Jenos behind a solid cover or at the place where champions can hide safely and then try outflank him

Jenos is very flexible and can fill in many roles (except frontline) with any loadout. Try to find his play style and adapt accordingly.flanking? Group up. Damage? Flank him in a group. Healer? Cauterise.

Chronos. There is rarely a reason to get anything else for Jenos except Chronos if you're intending to heal with him. If you find yourself being hard-countered get Chronos II then buy another item to properly defend yourself.

A less common info is that when Jenos grips champions, some have inaccuracy mid air; e.g. Evie. And some can still aim just fine; e.g. Andeoxus.