[@Seirei No Hai]
So, for review. She's good. Clearly focused on offense. Consider mentioning that it's a rare skill to have access to this many elements at a time, rather than a common one. 

[@Japanese Goblin]
So your Archer is fine. 
As for your master, can you at least identify what a few of the runes he uses are. So it's less a random bag of everything and more a set of somewhat defined skills. 

[@SoCSoD]
Both are accepted, but maybe not use words like "absolute" in describing his armor, since we talked in private, and you said that's just hyperbole. That way other players aren't thinking he's invincible. 
As for your master, consider some way to let him communicate with others. Since chatting with other players is a must, and you can't really use your own servant as a talker for you. (Since you are unlikely to be the Master of the servant you create, and I don't want another player feeling like they have to be responsible for translating everything to others.)