Crashing opening conqurer sigil bag.
ArenaNet Alpha Team
Thank you for the report, Frosty! The programming team is investigating the crash now! In the meantime, the crash can be avoided if you do not hover your mouse cursor over the item link that appears after selecting and accepting the rune (see screenshot). This will let you utilize your sigil bags while avoiding the crash – at least until a proper fix can be implemented!
Thank you for the report, and happy hunting!
ArenaNet QA Team