Los olvidados dragones Shou Lung
Regar chinese companion
Attack (DC 20) The animal attacks apparent enemies. You may point to a particular creature that you wish the animal to attack, and it will comply if able. Normally, an animal will attack only humanoids, monstrous humanoids, giants, or other animals. Teaching an animal to attack all creatures (including such unnatural creatures as undead and aberrations) counts as two tricks
Come (DC 15) The animal comes to you, even if it normally would not do so.
Defend (DC 20) The animal defends you (or is ready to defend you if no threat is present), even without any command being given. Alternatively, you can command the animal to defend a specific other character.
Guard (DC 20) The animal stays in place and prevents others from approaching..