From Guild Wars Wiki
Aged Dwarven Ale is an Alcoholic drink, it will go towards attaining the Drunkard title.
[edit] Acquisition
- Intoxication duration is how long you will be drunk for if you only drink 1 Aged Dwarven Ale
- Note as Aged Dwarven Ale is a intoxication level 5 drink, drinking 1 will put you at your max drunk level. Drinking any more drinks at the same time is a waste. You must wait 1 minute before drinking an intoxication level 1 drink and 3 minutes before drinking an intoxication level 5 drink.