Social collectibles are unlocked as you progress and complete tasks in the game. These Emoji packs, portraits and titles are visible to others and can be used in global chat.
Social collectibles are cosmetic items that you can see other players using in the global chat in-game. These released with the update version 4.3. (Social) of the game in April 2019. Most collectibles can be earned through levelling up, completing quests and doing certain tasks (e.g. joining a Guild). Use these to customise your Hero in chat and display your true colors!