Wasp have the ability of creating hive buildings that can hold a incredible amount of 10,000 people per level. Though the base form of the hive building only offers enough room for a person to stand in. The wasp Dao user most acquire many secondary Dao to make the hive increase in size for the person living in one of the spaces.
Narwhal can use their nose as a form of attack or defense. They can turn their nose into a lance and charge at people or even sneeze out flames.
Iguana can create a floating eye to use as a support to see further away from themselves. The higher the level, the stronger the floating eye is. The floating eye can also attack with the correct secondary Dao.
Hidden Weapon is a skill or build in an item that allows for a secret second form of an attack. You could have a cane that can pop out a gun barrel or a sword that when the handle is pulled hard enough, a knife gets pulled out.