t1 - 135 t2 - 175 t3 - 335 t4 - 660 t5 - 1360 t6 - 3400 t7 - 6800 t8 - 18750 t9 - 58600 t10 - 233000 are the cost to upgrade no wonder they didn't post the token prices on the rewards page.
t10 artisan: 50% chance of saving resources = use less when smithin & craftin armor and weapons 50% damage reduction upon failing a skill task = doors & traps +10 rc lvls when making multiples.
