Huge Sleipnir
The Huge Sleipnir is an EXCLUSIVE pet that is currently available from the Exclusive Pets Egg bought from the Exclusive Shop. It has a 0.5% chance of hatching, which makes it the rarest pet from the June 24th, 2022 update. It is the Huge version of the Sleipnir pet.
The latest Pet Simulator X value list for Huge Sleipnir can be found below:

Regular
💎 450,000,000,000 (450b)

Golden
💎 2,800,000,000,000 (2.8t)

Rainbow
💎 4,500,000,000,000 (4.5t)

Dark Matter
💎 No Data