Guild Wars 2

For the ‘Mailbox is full’ hint. I had people spam my inbox until it was fill. But I didn’t get the achievement until i logged into another character and actually clicked the ‘Mailbox is Full’ hint when it popped up.

First off, this idea would require the ability to stow a pet indefinitely.

When a pet is stowed, the player would give a passive stat buff to those around him. The stats that are buffed would be based on the pet that is stowed.

Examples:

Bears: Toughness+Vit
Cats: Precision+Crit Dam%