Wisdom - where would I be without it?
Earth Magic - because of the city portal.
Air Magic - because of the dimensional door.
Intelligence - mana points never hurt anyone.
2) It's good to have:
Diplomacy - of course, if the monster strength is high.
Logistics - it's good to be able to walk far.
Fire Magic - it's useful in many ways.
Water Magic - Prayer and Cloning.
Attack - it's good to be strong.
Defense - because it's hard to kill.
These are 10 skills that create the ideal hero for me.