Solo PVE/Events farming
Intothemists recently added a guide section, there are a lot of good warrior guides there you should get up to speed on. Also guildwars2guru has good up to date guides.
Hammer, Greatsword, and Longbow builds are all good for event farming – lots of AoE damage tagging. Pick one and spec around it.
I would suggest for the Scarlet Invasion events to go tanky and have stun breaks and stability, b/c those mobs do a lot of damage and some groups of them can chain stun you. A WvW build is good in those cases.
(edited by kurtosis.9526)