The whole guide made sense up until this. This is a joke right(or is he just retarded)? The rest of the thread seemed serious enough.2 - Pets cause a penalty on experience points.
Same as with BSTs, this rule applies to parties with a wyvern it in. Basically, if the mob dies and a BST has a pet or a DRG has a wyvern out, the party's exp. is cut by 20%. This is why Leave is so important for BST experience - they can release the pet from their control and finish the enemy so that the entire party still gets the full amount of exp. I guess S-E figured that since it acts like an extra party member, it should get some of the exp. Whatever, S-E.