Huge Nightfall Wolf
The Huge Nightfall Wolf is an EXCLUSIVE pet that can be redeemed from the Season 1 Toys DLC Codes. It has a 8% chance of being obtained from a Legendary Tier DLC Code, and a 12% chance from a Mythical Tier DLC Code. It has the Best Friend and Random Enchantments. This pet was introduced in the June 24th, 2022 update.
The latest Pet Simulator X value list for Huge Nightfall Wolf can be found below:

Regular
💎 4,500,000,000,000 (4.5t)

Golden
💎 9,500,000,000,000 (9.5t)

Rainbow
💎 14,000,000,000,000 (14t)

Dark Matter
💎 Not Available