Screenshot of items: https://ibb.co/3FD4nzh
These items may only be received once per account. You will only receive items that you didn't receive before. You must unlink the old twitch from your game account in order to receive the items.
Because of the high amount of awards, the items will be divided into parts. You have to go to sea to get the items. Usually items arrive in a few hours, but sometimes it may take up to 3 days.