You don't have to have seasonal items to make a good template. And, race is not so important that it is a game breaker. I will give you warlocks are still in the game. But, unless you solo or small group they are not much of a deal either.
You have a little work to do if you come back. But, in the grand scheme of things it will not take you long to be ready.
Finding a good guild is the most important thing. With the Herald not working anymore it is harder to figure out which ones are interesting. I have been back for two weeks and that is my biggest issue so far. I would like some ML10 items that may be hard to get, but I will just have a good template for a while until I can get a great one.
I have tons of Albs and lots of resources on Alb. But, I have decided to play Mid only. I have always been a one realm per server kind of person. I still have the "realm pride" problem, that only a few seem to have anymore. So it will probably take me a couple months to be exactly where I want to be. I need to level up some crafters and I need a better farming toon (SM or BD).
PS. If anyone could recommend a friendly large RvR/siege type guild on Mid I would be most appreciative.
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Youth and enthusiasm is no match for experience and treachery.