About 2 weeks ago, GE-SG released Asoka in ABS. (See [GE-SG] Asoka In ABS for details.) Now, Asoka has also been added Hellena's Circus of Fate for 1 month, starting on Oct 21, 2010. The character card costs 2 Gold Tokens and her Sect of Moonlight stance book costs 1 Gold Token. Comparatively, each Draconic Weapon (AR32) costs 2 Gold Tokens, and Dragon Heart Recipe costs 1 Gold Token.
There are also new costumes, including Iberis (Brunie), Black Wisteria (Calyce), Curling Perm Hair (f/ele), and Bach (Rio) for 7-10 Tokens. See [HCOF] Launch of Asoka for details.
IAHGames has responded to speculations on other avenues of acquiring Asoka for GE-SG:
1 Soho the Fighter and Idge the Battle Smith
In other editions, Asoka could be acquired through a quest event in Japan and through the Feso Shop in Taiwan. In both cases, the availability is for a limited period only. See Asoka Visits Japan and twGE v4.5 Update for more information and links.