The High Tower of Sorcery, a nice big levelling area that is usually not crowded. Also has many of the mobs that mages need for changing paths. Only real run mob is the Grand Mistress of Magic.

Walk ( 6s, ne, 2s, se, 2e, s, 2sw, s, 5sw, nw, 5n, ne, n, e, 2se, e, s, se, sw, 4s, 2sw, s, se, 2w, nw, sw, 2n, sw, w, sw, n, nw, ne, n ) to get from DH to the room marked in blue.