I brought Lukan's Crimsonwood Keystone to Jack. I explained what Lukan told me: that this would unlock the gate mechanically, but the red energy field was a new development. Jack thinks he can figure out a solution for the magical barrier, but he'll need some time. I should check in with him later and see if he's made any progress.
The Versalian code that Jack uncovered and that Elpam translated points to some sort of imminent attack on New Leaf City by the Twisted Masters' army. It's up to us to stop them! I should talk to John...