Quote Originally Posted by Slekki View Post
You could try asking some of these "pro" timed runners if they've seen any during their Arena runs but I highly doubt it. The ones listed in CS come from either the Planar Tombs or the Tindirin maps.

Someone in the guildchat was convinced they still drop as long as you don't open them on endgame chars but that is probably nonsense. This reminds me of the glitched droprate of the Mythic Recipe which they only fixed after weeks and weeks of players complaining about it.
Haven't gotten a vial in a long time from arena.