Figuring out get hint for unlock the door

Moment at 27:02 in Stellar Blade #PART2 #PS5 | #EnglishSUB #KoreanDUB #2k60fps #StellarBlade by DavisCrimson Gaming.

Stellar Blade #PART2 #PS5 | #EnglishSUB #KoreanDUB #2k60fps #StellarBlade

Saved by DavisCrimson.