IHaveHidden
I'm imagining him messing with folks by using the pensive memory type of magic to show him battling SAO boss monsters in a realm that forbids and stopped the use of magic. Do some ego stroking maybe 🤔. i mean he might not be a showoff like that but it could distract from other secrets hee wants to keep as opposed to one that should not hurt him here .they don't care about his swords skills when they think wand swish is better. but he can show himself as a combat veteran whose slain great monsters even without magic.