You completed the Animal Gangs collection!

Amazing work, GangRat! With the help of your mischief of Rats, you dominated the collecting landscape and proved that there is a lot of strength in numbers, even when you're the smallest animal around! But it's time for the members of your mischief to go their separate ways, and you've been entrusted to get your gang's brand new 'Mischiefs of Rats are mischievous!' Feat card to your Vault!