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Penumbra

@penumbrahalfshadow.bsky.social
25 followers 20 following 87 posts

Part of the Sidereus System. 31, she/they. Shapeshifting entity of antimatter. Pseudo roleplay in posting. Casual interactions only. Profile picture by @snakeysleepy.bsky.social

PostsRepliesMedia
Penumbra @penumbrahalfshadow.bsky.social · 11/10/2026
Your pet waking from a trance with a sigil you've marked upon them with no recollection of what it means or does. Watching them squirm and panic, trying to figure out what you've done to them. The sigil does nothing. But now you have a plethora of suggestions for future ones.
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Sidereus @sidereusart.bsky.social · 05/10/2026
two alts I made for a banner, I love characters with limited means of facial expressions that get real weird with it
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Sidereus @sidereusart.bsky.social · 05/10/2026
The shadows are inevitable The question is- what do you believe they will bring?
figure in a plague doctor mask stands in the foreground, made of shadow and a glow of cold light around her. moons in phases are in the background, a new moon/ eclipsed moon surrounds her head like a saint with a halo. tags: plague doctor horror mask
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Penumbra @penumbrahalfshadow.bsky.social · 02/10/2026
Then the inverse must be true, if logic follows. How convenient...
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Penumbra @penumbrahalfshadow.bsky.social · 02/10/2026
My moods are fickle, but don't for a moment assume I am gone. Patience is rewarded. I intend this month to be an escalation, a return. This is my month, after all.
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earses @howlitzer.art · 08/09/2025
a Hati commission from some time ago by @starapture.bsky.social
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Penumbra @penumbrahalfshadow.bsky.social · 16/09/2026
I will press my fingers to your neck, feeling your heart rate decline from a fever pitch to a subdued pace. What use is fear when you have no way to run?
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Citrine 🐈 🔜 AC, WPAFW @hypnocatto.bsky.social · 15/09/2026
Oh, I *love* seeing how your eyes follow the long, slow drag of my pocket watch as it swings back, and forth... and back... and forth... Gradually getting sleepier, hazier, until your expression goes slack with the rest of your body, and you sink completely into trance... 🧡
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Mattswolf💙💜 @mattswolf.bsky.social · 06/09/2026
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Barladera @barladera.bsky.social · 24/08/2026
you are compelled to...?
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Sidereus @sidereusart.bsky.social · 18/08/2026
I saw a tutorial on this type of brush and one feverish scribble at 2 am here we are
a plague doctor in a blocky, sharp shaped style. the word 'tenebrous' is written in the bottom left corner. tags: plague doctor
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cirrus @hypnocirrus.bsky.social · 23/07/2026
Let Her consume every fibre of your being. There you go! You’re better now.
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pride @swirlyeyedsnake.com · 19/07/2026
innocently saying "oh, tell me more" when someone's suggestible and aroused enough to say what they're really thinking without a filter, uninhibited, all for the purpose of having more to hold over their dazed, vacant head and hit those buttons they didn't even think about mentioning until in stupor
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Yasuque the Nightmare Cobra~ 🔞🐍🦇 @darksnakecharms.bsky.social · 14/07/2026
Modesty is made to be consumed - hunted like prey. The only thing meant to remain is the depravity of an honesty to one's self that will become so second nature one would wonder why they were ever anything else before. I will relish in seeing to such~
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Vanaramma @vanaramma.bsky.social · 17/06/2026
Telling someone to try and wake from the trance while you have them deep under your control, just so they can feel how impossible it is to escape. Feeling trapped under your control, knowing they're too weak to fight it, to fight you. Watching them struggle less and less, giving in more and more...
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Storyteller @storyteller13.bsky.social · 10/06/2026
Okay but for real let's take a second to praise submissives who actively say "this is what I'd really like" We love open communication around these parts. Asking for what you want not only helps you get it, but tells your partner more about your inner mind and how better to play with you! 🙂‍↕️
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Penumbra @penumbrahalfshadow.bsky.social · 04/06/2026
How ironic, I was craving something soft and eager.
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Penumbra @penumbrahalfshadow.bsky.social · 14/05/2026
Such a good pet, he knows the follies of assuming he has a mind.
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Penumbra @penumbrahalfshadow.bsky.social · 13/05/2026
I'm fairly certain you mean "when".
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Penumbra @penumbrahalfshadow.bsky.social · 06/05/2026
Your only mistake was thinking you ever had a chance of winning. Your consequence will be... fitting. You're quite alright with that, aren't you?
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Penumbra @penumbrahalfshadow.bsky.social · 02/05/2026
Aaah, I see. You will both find exactly what you desire, in time. I'm sure your hunt will be quite short...
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Penumbra @penumbrahalfshadow.bsky.social · 02/05/2026
There's a puppy who's a bit coil starved, if memory serves me right. A particularly vulnerable puppy.
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Grinda 🏳️‍⚧️🔞 @grindagoat.bsky.social · 24/03/2026
Got accused of being this post and I think it's true.
2 posts from user yaknowlikenyah
Initial post: Nov 6, 2025
Oh my fetish? It's people with fetishes. Love a freak I can fluster by doing something innocuous.
Second Post: Jan 29
Bringing this back because NOTHING is more hot than someone with a clearly defined fetish I can play into. I want you stuttering and begging for it as I'm completely unaffected.
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☆audrey sweetness☆ @soooaudrey.bsky.social · 28/04/2026
Hypnotists have to have an ego; without self-confidence you have no magnetism. If you don’t believe you can hypnotize someone- you probably can’t. If you dont believe in your abilities, neither will your subject. Embrace yourself, so that you can become more powerful!
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Penumbra @penumbrahalfshadow.bsky.social · 21/04/2026
Why hope when you can know beyond doubt, pet? I'll make absolutely sure you won't forget.
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Seren (formerly Snakey) @snakeysleepy.bsky.social · 22/03/2026
The static still hums with the echoes of our violent cosmic beginning.
A heavily degraded crt image of a figure with a wide brimmed hat and a mask. It's eyes glow in a red burn, mirroring the intense red of the background. The figure looks to be made of shadow, the lower half of the screen obscuring their form.
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DreddyHypno ❤️ 🔞 @dreddyhypno.bsky.social · 27/02/2026
You thought you could escape, running down harshly lit corridors. Each desperate turn around each corner inoking a sense of repetition, like youve done this before. You shouldn't know these signs. These paths. These hallways. Unless you've done this before. Unless something made you forget.
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Penumbra @penumbrahalfshadow.bsky.social · 03/03/2026
Ask...
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pride @swirlyeyedsnake.com · 02/03/2026
"reminding" is a polite euphemism for taking you by the chin and driving in this idea until even the act of affirming it (repeatedly, mind you) causes you to feel warm and fuzzy. especially even after you wake up.
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Penumbra @penumbrahalfshadow.bsky.social · 01/03/2026
You simply are, dear. The desire to be good comes from instinct. You will always be such a pleasing pet.
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Penumbra @penumbrahalfshadow.bsky.social · 27/02/2026
I can keep most things in a pocket dimension, a regular pocket seems rather redundant.
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Penumbra @penumbrahalfshadow.bsky.social · 26/02/2026
The interdimensional sort.
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Penumbra @penumbrahalfshadow.bsky.social · 26/02/2026
I stir from a slumber. Things have been far too quiet. Send your musings, your queries, your confessions. Let us break the silence together. halfshadow.straw.page
halfshadow.straw.page
halfshadow's strawpage
halfshadow's strawpage
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Penumbra @penumbrahalfshadow.bsky.social · 26/02/2026
I stir from a slumber. Things have been far too quiet. Send your musings, your queries, your confessions. Let us break the silence together. halfshadow.straw.page
halfshadow.straw.page
halfshadow's strawpage
halfshadow's strawpage
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Penumbra @penumbrahalfshadow.bsky.social · 26/02/2026
A well trained one at that.
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Penumbra @penumbrahalfshadow.bsky.social · 26/02/2026
Would this be as effective of an induction without the collective connection of such an item with hypnotic enthrallment? I'd say not. Very little effort is needed on my part to make that connection to surrender. Exploiting a common fantasy such as this is so delicious.
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Penumbra @penumbrahalfshadow.bsky.social · 26/02/2026
Unfortunately not. In part because I am very particular about the aesthetics of the things I own. Although I have used them before. The simplicity of such is so incredibly novel. It's the trope that carries it- the knowledge that a simple swinging watch brings about an irresistible fall...
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Penumbra @penumbrahalfshadow.bsky.social · 26/02/2026
Instant subjugation with a simple motion or word or- Slow, methodical methods that bring about an inevitable surrender. It's always going to be coin flip for which mood strikes me.
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Penumbra @penumbrahalfshadow.bsky.social · 26/02/2026
Allow me to illuminate my intent with this account. To indulge in the hypnotic, of fascination, the erosion of free will, corruption of minds. Dominating for the sake of mutual understanding, a celebration of broken inhibitons. And perhaps a light seasoning of sadism. Shall we?
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pride @swirlyeyedsnake.com · 23/02/2026
relaxation and arousal are two sides of the same coin because they're just things to cause in someone as a show of control, anyway. the causality matters here; it's about keeping your finger looped in the collar and just choosing a way to illustrate it.
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Penumbra @penumbrahalfshadow.bsky.social · 03/11/2025
Never said I would play fair, but you're welcome to try and act like you have a chance...
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Penumbra @penumbrahalfshadow.bsky.social · 03/11/2025
The satisfaction of unraveling a pet's composure is worth the effort.
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Penumbra @penumbrahalfshadow.bsky.social · 23/10/2025
Lovely to hear, thank you.
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Penumbra @penumbrahalfshadow.bsky.social · 21/10/2025
But, perhaps, if I am being honest with ourselves here- Why deny something so fantastically indulgent? Villain. Oh, it's such an excessive description and yet, here I am giddy at the thought. I won't deny a compliment, after all.
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Penumbra @penumbrahalfshadow.bsky.social · 21/10/2025
I certainly see nothing wrong with exerting control over those that would perhaps initially deny such, knowing what they become. That fear, that shame, tearing it from their psyche, never to be felt again... To shift perspectives to see things my way, that's downright courteous of me. Altruistic.
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Penumbra @penumbrahalfshadow.bsky.social · 21/10/2025
Remember dears, subtlety is for cowards. Why are we dancing around what we want when you can simply take it, be it?
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Penumbra @penumbrahalfshadow.bsky.social · 20/10/2025
Aha, no. I mean physically stimulating.
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Penumbra @penumbrahalfshadow.bsky.social · 17/10/2025
Send more questions, hm? halfshadow.straw.page
halfshadow.straw.page
halfshadow's strawpage
halfshadow's strawpage
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Penumbra @penumbrahalfshadow.bsky.social · 17/10/2025
A traditional room with an overwhelming amount of hypnotic stimuli, spirals, audio... more physical means, ect. The point of which is overstimulation, then cutting it all off into a blank, quiet nothing. Then, after a moment of quiet, turning all back on. Rinse, repeat, until they break.
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Penumbra @penumbrahalfshadow.bsky.social · 17/10/2025
If the question is specifically what I would create for such a concept- Simple, uncomplicated. A pocket carved out of a separate reality, dark and empty. The creeping corruption of the abyss emptying the mind into a perfectly docile state with enough exposure. Or 1/2
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