After fixing L-D 3.4 he will eventually ask to leave, as a parting gift, he will give you the Golden Cog, two people will ask to use it,
- The Scientist
- The Sultan
If you give it to the Sultan, he will give you 1000 gold in return, whereas the Scientist will make a new character, known as L.A.P.I.N. who will become a recurring encounter.