Demon Summoning Circle: A blood-red ring, rune band and pentagram write themselves onto the floor, then ignite: fire pillars burst from the five points, a red beam shoots up from the centre and embers rise before it burns down.

Demon Summoning Circle

A blood-red ring, rune band and pentagram write themselves onto the floor, then ignite: fire pillars burst from the five points, a red beam shoots up from the centre and embers rise before it burns down. A 2D demon summoning effect.

Demon Summoning Circle is an HD effect that loops seamlessly every 3.2 seconds, drawn on a 384 by 384 canvas. It is built from 9 particle emitters, 1 laser beam and 4 glowing strokes. Most layers blend additively, so it glows on dark backgrounds.

Colour

Recolours the preview and the free downloads.

Free download with a transparent background, cropped to the effect, 96 frames at 30 fps. Use it in commercial games, no credit needed.

Licence: use it in any project, including paid commercial games such as a game sold on Steam. There is no per-project licence to buy and no credit needed. Terms.

Roblox: the download is a flipbook for a ParticleEmitter. Set FlipbookLayout to Grid8x8, FlipbookMode to OneShot and Lifetime to 3.2, then emit one particle per cycle. Roblox setup.

REMIX WITH AI

Try:

Left empty, it just opens in the agent, free. Each change is one AI build, and you start with free builds.

Engine data for Unity, Godot, GameMaker and Aseprite comes with a plan: open it in the studio.

OPEN IN THE STUDIO

Change the colours, timing or size, or export for Unity, Godot 4, GameMaker, Phaser, PixiJS and Aseprite.

Try variations: new colours, motion and shapes of this effect, free in the studio.

FRAME BY FRAME

8 evenly spaced moments across the 3.2 s loop.

Demon Summoning Circle at 8 moments, from 0 s to 2.8 s

HOW IT'S MADE

Demon Summoning Circle centres on 1 laser beam drawn as glowing strips, with 9 particle emitters around them. Techniques worth a look: glowing strokes traced along shapes, keyframed parameters and post filters (bloom and vignette). A scene layer (ground or a prop) shows in the studio for context and stays out of every export.

It loops seamlessly every 3.2 s, and 2 of its layers fire in bursts, so it pulses instead of flowing evenly. To change its colour, select "Shockwave" in the studio and edit Colour A and Colour B. Size on the same layer sets how big its particles are. The colour swatches by the downloads recolour every layer at once.

Layers, in draw order

  1. Floor glowsprite / additiveA placed glow.
  2. Outer ring, Inner ringstroke / additiveA glowing line traced along a circle. Its start and end are keyframed, so it writes itself on and off.
  3. Rune bandstroke / additiveA glowing line traced along a circle. Its start and end are keyframed, so it writes itself on and off. It is drawn as dashes.
  4. Pentagramstroke / additiveA glowing line traced along a star. Its start and end are keyframed, so it writes itself on and off.
  5. Hell beamlaser / additiveA laser beam firing upward. It pulses 6 times a second.
  6. Shockwaveparticles / additiveA single particle at 1.42 s. It grows as it ages. Colour: red.
  7. Ignition flashparticles / additiveA single particle at 1.42 s. It grows as it ages. Colour: pale orange.
  8. Fire pillar, Fire pillar, Fire pillar +2particles / additiveA stream of flames from a disc, its rate keyframed over the loop. They float upward and swell and then shrink away. Colour runs from pale gold to red over each life.
  9. Black smokeparticlesA stream of smoke puffs from a disc, its rate keyframed over the loop. They grow as they age and spin. Colour: black.
  10. Embersparticles / additiveA stream of soft glows from a ring, its rate keyframed over the loop. They float upward and sway from side to side. Colours range between pale gold and orange.

DETAILS

Length
3.2 seconds, seamless loop
Canvas
384 x 384, HD
Layers
9 emitters, 1 laser and 4 glowing strokes
Blend
Mostly additive (glows)
Colours
orangeredpale orangepale gold
Sprites
Kenney Particle Pack by Kenney (CC0), Kenney Smoke Particles by Kenney (CC0)
Tags
summoning circle, pentagram, demon, ritual, summon, dark magic, fire, horror

USING IT IN YOUR GAME

Phaser, PixiJS
The PNG sheet is a plain grid of frames that both can slice. A TexturePacker JSON atlas comes with a plan, from the studio.
Unity
Import the PNG sheet as a Sprite with Mode set to Multiple and slice it, or open the effect in the studio for a ready-made grid.
Godot 4, GameMaker, Aseprite
Open it in the studio and pick your engine in Export: with a plan, it writes the files that engine imports.
Web and chat
The GIF plays anywhere; the APNG keeps soft edges on any background.
Blend mode
This effect is made of light. For the same glow in your game, draw the sprite with additive blending, or export it on black from the studio for additive shaders.

Step by step: Unity, Godot 4, Roblox, GameMaker, Phaser and PixiJS, Aseprite, Web games (live runtime). Drawn with additive blending: see glow effects without a black box.

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