Also, on Animal Magnetism, you could save a whole load of time by getting the buckets of slime from Charter Ships as opposed to walking down to the slime pits, since pures won't really care for the Morytania diary achievement it gives.
Edit: Wasn't watching but it sat at the witch who you make the magnet for, with 1 iron bar in the invent whilst her dialogue says she needs 5 iron bars.