Well it isn't recommended for a pure str to farm at penons, but since you are a bow user it shouldn't be a problem. You are also a very fast lvler with a bow, so you shouldn't have great problems getting to 52.
It's OK to continue like that, you should be able to do good, also get some imbues and similar since they are the backbone of each Chinese characters. If you don't know, a imbue is the first skill in any of the 3 trees --- ice, lightning and fire ---. It raises your damage up to 5 times and every character must use it, if he wants to kill something. Read a few guides and you should do good

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Ice is maybe not the most popular, but with the new knock-back and stun abilities, you can rock even more if you can freeze your enemy.