Talk:Kassadin/@comment-10880231-20140419103756/@comment-3308937-20140421234447

You can request a refund for up to 90 days after the rework.

"If a champion or skin had a graphical or kit (play style) rework after your purchase, you do indeed have the option to refund them without spending any refund tokens. However, this refund is for FULL reworks only. Buffed and nerfed champions do not count as full reworks and, as a result, are not eligible for a refund. Also, in order to be eligible for this refund, you must request a refund on a visual/design rework within 90 days after the rework. We will not be able to give you a refund beyond the initial 90 days." http://forums.euw.leagueoflegends.com/board/showthread.php?p=15415866#post15415866