Lol...Wu Qing learning the Golden Sword Technique? The Four meets Sword Stained with Royal Blood.
I don't mind Wu Qing walking only if it's temporary. It makes it all the more tragic when she gets back into that wheelchair. If Four 2 is having the character fully recovered, I'm betting something happens in Four 3 where Wu Qing goes back to being paralyzed (most likely a sacrifice for an important person). According to some spoilers, Wu Qing walks because
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I don't know how that works, but the Four trilogy generally demands a lot of suspended belief, so I guess it's one of those moments. It's no spoiler that Tie Shou is the one who saves Wu Qing from the prison, so he might of needed to do something desperate to get her out of there. If Wu Qing had been tortured and could not physically move, with a wave of guards coming, I don't think Tie Shou would've been able to carry and fend off all the attackers on his own. Maybe if Wu Qing were in top form, but that wasn't the case.
The torture looks nasty by the way. Trust them to torture the cripple.
Four 2 and 3 were both filmed and wrapped at the same time - poor, over-worked filming crew! Hope that means Four 3 comes out earlier.