A - Dual Sword Mastery - If you’re using Dual Swords (which you should be since your future attacks kills require them) then this is a buff I believe you should max. It will increase your melee by 15% of your weapon damage at level 5, and weapon damage is pure, 1 melee for 1 damage. This is a recommended must have skill.
B - Taunt Challenge - This is an optional skill. However it has great applicative uses and will only ever cost 1 point. In a party this will be a way for you to tank, and keep mobs within your own AOE range. I recommend this as a must have skill.
C - Rampage Force - Let’s be frank, this skill is single most powerful reason for anyone to become a savage to begin with. With a 50% chance for each of your normal attacks to turn into an AOE, this allows you great room to solo many areas later on, as well as being a huge source of DPS for a party. With this skill and an hp/mp leech option on your weapon, you will be nearly invincible in PvE settings. This is a must max skill.
D - Ferocious - Another buff skill. You have to put at least 1 point in here, and crit reduction is nothing to be dismissed, even in non-PvP settings. If you want to spare points for something else, go with 1 point, but I strongly recommend 5 points in this skill for maximum crit drop.