Passive: Stealth Wards and Totem Wards placed in the enemy jungle are considered Deep. All Deep wards are granted 1 bonus health, Deep Stealth Wards last 30 – 45 (based on average champion level) seconds longer, and Deep Totem Wards last 45 – 150 (based on average champion level) seconds longer.
At level 9, wards placed in the river will also be considered Deep.