Guild Wars 2

For a full berserker build which ascended accesories would be best to buy?

You should use Cleric accessories to complement your full berserker set.

Have a look at the following, this maps the names of the accessories to their stats. But stats can also be seen if you mouse over the items, like any gear.

http://wiki.guildwars2.com/wiki/List_of_Ascended_equipment