Another Suggestion: Token distribution
For the current system and difficulty, token is distributed in a way that most guilds will have several armor tokens but no vanity token to complete the set.
To replace this system, I suggest that the token not to be fixed to each part, but to have different colored token which can be exchanged for more than 1 part.
For example, have 2 colors token, red and green token.
The first boss drops a number of green token + Random color token ticket
The second boss drops a number of red token + Random color token ticket
The third boss drops a number of green token + Random color token ticket
The fourth boss drops a number of red token + Random color token ticket
Green token can be exchanged for: Armor and helm
Red token can be exchanged for: Vanity and Accessory
This way you can keep the last 2 boss a very challenging battle that only some guilds can complete, but those who can’t complete it do not have to merely depend on RNGsus for the part of Accessory/Vanity Token.
Edit: Since the system was already designed, it might be easier to just make the boss reward 2 type of tokens each instead of using the color thing ;_;
This is just one suggestion and there might be other ways to distribute these tokens
And of course, please let the rewards be auto-sent to our mailbox as others have already suggested.