MMO facts:
The more ridiculous the name: the more powerful it is.
Monsters can carry things easily twice their size, or more, without showing any sign of it.
Everything is one-size-fits-all.
Adamantine and Mithril are going to be metals.
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If the boss is exposing a weak point, you must hit it three times to kill the boss. (Retro games especially)
The more helpful they are, the more likely they are to betray you.
If a main character has a love interest, one of two things will happen: they will either die, or get together at the end.
If at first you don't succeed; try, try again... and if that doesn't work, look it up on Game FAQs.