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Furthermore, Lone Wolf also showed a reluctance to kill those defending Shioon:
This wouldn't be the first time we've see someone that's after Shioon's life later come to join his side. And unlike the other SUC members he doesn't seem to care about gaining power or destroying the current Murim; rather, he simply wants to meet the man his master sacrificed himself for.
Finally, considering Shioon's ability to sway people (like the devoted SUC captain Cool Guy) it may not be too much of a stretch to see Lone Wolf switching sides and maybe a revival of the Black Origin School.