Nope. Your beta character is in the hands of SE now. If they find some sort of major bug, they're gonna wipe the servers. If not, your character will be there waiting for you on the 24th when you log on.
FFXIV: Raxion Gunsoul - Brynhildr - 50PLD 50SMN 50SCH 50DRG
WoW: Raxion - Greymane- 90 Druid
FFXI: Nion - Asura - 99 BLU, PUP, SMN, DRG, PLD 50+ DNC, NIN, MNK, THF, WHM, SAM, WAR