Increased drops:

Large Emerald and Large Ruby Double drop.
Last caves drop Chests

Little Ptero (Pet): Pet, auto picks up the money and items dropped from monster for master, Increase Master's Mana upper limit, increase master's Mana recovery speed, increase master's HP upper limit, increase master's HP recovery speed in non-battle state, Increase Master's Intelligence, Increase Master's Strength, Increase Master's Dexterity, Increase Master's Vitality and 5% Move Speed.  It will get attribution points for master and can learn extra skills from level 11.