A Soul Otter is an Otter bound to your soul. Soul Otters live in a small pool in the far corner of the Otterverse, east of Hero's Rest. Don't forget to hug the Otter once it spawns
A Soul Otter is a Non-Transferable NFT, which is also sometimes referred to as a Soul Bound Token or an Account Bound Token. It is our implementation of the EIP-4973