Crispin's wand

Spells

 * Graham's energy has suddenly run out. Use Crispin's wand to cast a spell giving Graham more strength.
 * The door to the witch's house has an enchantment on it and can't be opened. Use Crispin's wand to break the spell.
 * Graham's aim is not very good. Use Crispin's wand to help him throw the rope accurately.
 * There is a bandit inside the smaller tent! Graham must use Crispin's wand to cast a sleep spell on him.