The simplest and most direct approach is to conceal one's form and go straight over to use the Illusionary Realm to confound the Ghosteye Witch, then secretly take it and leave.
With Angel's strength, there shouldn't be any problems. After all, that Ghosteye Witch has not yet broken through to Wizard Level.
However, just as Angel was about to act, he hesitated again.
They have actually been in a Moving Mirage state all along, which means everyone has been concealing their forms. According to Angel's envisaged direct method, it doesn't differ much from their current situation.
Dox's inspiration, if personified, would absolutely consider this aspect of concealment. After all, it is in sync with Dox's thoughts, and since Dox himself is in the Moving Mirage, would inspiration overlook this?
Thinking this way, the most direct method may not be the best.
