New Player

[Naberrie]

Since you're considering WAR you should know that when you use Duty Finder it will automatically put you into the dungeon as a tank. The only way to avoid this would be to queue with someone else who is also a tank, usually an FC member.

From what you need from your available playtime, it sounds like ACN/SMN would suit you best. You would also have the option of queuing as a Scholar for healing, which has a shorter wait time than DPS, once you hit 30 on ACN.

The way the job system works is that at level 30 on a class you will have the option to do a quest to unlock a job, which is a specialized version of the class. In Arcanist's case, it gets access to two jobs: Scholar and Summoner. Each has the requirement of a secondary class at 15. For Summoner it's THM; for Scholar it's CNJ (Conjurer). Once you complete the quest you are rewarded with a Soul Crystal. This is a slot in your equipment window beneath your rings. Equipping the SMN Soul Crystal while on ACN turns you into a SMN. You still, however, share stats and experience points with Arcanist. When you level on either SCH or SMN you will be awarded ACN experience points. Technically, you are always leveling the class.