As of this announcement you can fully reroll old characters that have
collected layers of dust in retirement.
Any currently retired character that has been retired since the 1st of
October 2007 (five years back from now) are entitled to a full reroll.
The entitlement will never decay - unless you leave retirement; reimbursements
for leaving before taking your reroll will not be given.
To execute the full reroll just walk all east in your character's retirement
location until you find the new (atmospheric) pool-room and take a swim.
> swim pool
HELP REROLL has been updated and you will also get notified if you are
entitled on logging an entitled retired character.