The player knows how to buy

The player knows how to learn skills

The player knows how to use inventory

The player knows how to use drag and drop

The player knows how to use items

The player knows how to open the chest

The player knows how to assign a hotkeys

The player knows how to get the crystal

The player knows how to get the key

The player knows how to release the NPC

The player knows how to insert the crystal

The player knows how to control NPC

The player knows how to hire NPC