What Episode Did Seal/God Item Quests Come Out?

[Xachxx]

The name says it all... Been trying to find lists of past updates to find out when. Im clueless still. Please help~

[Pandora]

All I can say is they are very old, God items (slepinir and the like) existed before Trans classes, they're a least 5 years old. I recall seeing a vid on youtube about the first god item made on one of the official server, might wanna check the date.