Good footwear, Foul weather gear, spares of hats gloves etc. Map,Compass, bothy bag or emergencey shelter. FAK, whistle, Torch of some kind, food and Water. Mobile fone in case!!! Good route plan with escape routes. Oh and it might be an idea to leave a route card with someone.
I am pretty sure you will already know most off it anyway Tengu where ever you go and what ever you do enjoy it have a good one.
Andy