Spirts whisper

From NexusWiki

Detects ambushes and fall zones and marks them as a Steel Dagger.

Mana Cost - 125

Aether Delay - 37 Seconds

Duration - Until you leave the map.

Target - N/A.

Level to learn - 38

Required items to learn - 1 Amber, 10 Rat meat, 100 coins.