Cornifer

Cornifer is first encountered in the bottom of The Forgotten Crossroads where he sells you a map and points you towards his wife Iselda's shop up in Dirtmouth.

Finding Cornifer in each area is essential for unexplored areas.

Sells

 * Map for Forgotten Crossroads: 30 Geo
 * Map for Greenpath: 60 Geo
 * Map for Fungal Wastes: 75 Geo
 * Map for Crystal Peak: 112 Geo
 * Map for City of Tears: 90 Geo
 * Map for Deepnest: 38 Geo
 * Map for Royal Waterways: 75 Geo
 * Map for Fog Canyon: 150 Geo
 * Map for Queen's Gardens: 150 Geo
 * Map for Ancient Basin: 112 Geo
 * Map for Kingdom's Edge: 112 Geo
 * Map for Howling Cliffs: 75 Geo

Locations
Cornifer can be found in every zone he sells a map for. Following the map pages will lead you to him.

If you miss him, he won't be there and he will have left a letter. The map can then be bought from Iselda in Dirtmouth.

Map
To start mapping an area, you first need to purchase the map from Cornifer. That will allow you to see the uncompleted map of the area. To complete the map, you then need the Quill, sold by Iselda.

The Wayward Compass charm show your location on the map.

Different pins can also be acquired that shows different points of interest on the map.