These are skills you can get by finding them in different areas in Hollow Knight.
Moth Wing Cloak – Dash
Found after beating Hornet in Greenpath. It is upgraded by the Shade Cloak which lets you dash through attacks and enemies.
Shade Cloak
This gives you the ability to dash through attacks and enemies. When you combine it with Sharp Shadow, you can do damage as you dash through enemies. Shade Cloak requires the King’s Brand to get to the area of the map which contains it.
Mantis Claw – Wall Jump
Monarch Wings – Double Jump
Isma’s Tear
This gives you the ability to swim in acid without taking any damage. The easiest way to get this charm is to beat the Dung Defender and then trigger the lever to the right of the boss arena. This will clear the acid out of the way as you head towards