Lance McDonald, the YouTuber known for exploring the darkest depths of Hideo Kojima’s PT, is back with another terrifying discovery. You can watch his full video on his YouTube channel or his Twitter. Let’s dive into what makes his latest discovery so dang terrifying.

After plumbing the code in PT, Hideo Kojima’s “Playable Teaser” for the now-canceled Silent Hills project, McDonald previously discovered that the murderous ghost Lisa is in fact always behind you. Even better, McDonald managed to hack his way onto the street that Norman Reedus appears on at the end of the game’s trailer. This new discovery, however, returns to the haunted, looping house that the player explores, and shows what Lisa gets up to when we think we can’t see her during some key scares.

The first big detail comes when the player witnesses a windowpane crash to the ground in the home’s foyer. The player is able to look up to the balcony and spot Lisa before she slowly moves back into the shadows. PT players already knew that much, but McDonald discovered that Lisa performs a weird body contortion as she disappears and eventually vanishes into thin air.

Perhaps the highlight of McDonald’s newest video is the reveal of what Lisa is up to when the player is locked inside the bathroom. Normally, the door shuts, and the player’s attention is drawn to the, uh, somehow living fetus in the sink. Then the player can hear footsteps coming down the hall, before an unseen force can be seen twisting the door handle and pulling on it.

At least, we thought it was unseen. Turns out that P.T.’s development team actually did animate Lisa plodding her way down the hall (she seems to exhibit some sort of injury, most likely a result of her gruesome murder), and she stops right at the door. So those sounds you’re hearing are definitely Lisa’s footsteps. It looks like the development team didn’t bother to animate anything for Lisa’s arms or hands. She has a sort of hunch, and her hands remain close to her stomach, which is likely just a default posture of her character model’s rigging.

“I hope that in giving you the chance to see something new from P.T., I might have helped you appreciate the work and care that went into bringing this playable teaser to life,” McDonald says at the end of his video.

You can find more of McDonald’s work doing deep dives into the hidden guts of popular games on his YouTube channel and through his Patreon, where it appears he’s taken a shine to the many secrets of Bloodborne, Sekiro, and Dark Souls.