Every circle in Isekubed, grouped by category. Each page lists the circle's levels with their mana cost and effect numbers. How to spell a circle is never shown here: you learn the words in game.
| Circle | Category | Levels | Taught by |
|---|---|---|---|
| Build | Block | 10 | — |
| Light | Block | 10 | — |
| Turret | Block | 9 | — |
| Blueprint | Blueprint | 18 | — |
| Discover | Discover | 1 | — |
| Disenchant | Imbuement | 1 | — |
| Imbuement | Imbuement | 16 | — |
| Level | Imbuement | 8 | — |
| Repair | Imbuement | 1 | — |
| Experience | Life | 1 | — |
| Growth | Life | 10 | — |
| Harm | Life | 9 | — |
| Heal | Life | 9 | — |
| Spawn | Life | 9 | — |
| Trap | Life | 9 | — |
| RF | RF | 18 | — |
| Redstone | Redstone | 33 | — |
| Arise | Spell | 10 | — |
| Blade Works | Spell | 10 | Archie |
| Blind | Spell | 10 | — |
| Blink | Spell | 10 | — |
| Comet | Spell | 8 | Iced Latte |
| Cure | Spell | 10 | — |
| Decoy | Spell | 10 | — |
| Disintegration | Spell | 10 | Slime Tempest |
| Domain Expansion | Spell | 1 | Idwin |
| Dragon's Roar | Spell | 9 | Haiku |
| Explosion | Spell | 10 | Megamean |
| Field | Spell | 10 | — |
| Frictionless Cart | Spell | 3 | — |
| Full Cowl | Spell | 10 | Broccoli |
| Gale | Spell | 10 | — |
| Kamehameha | Spell | 10 | Gokuku |
| Mach 20 | Spell | 1 | Koro-tensei |
| Magic Bullets | Spell | 10 | — |
| Mine | Spell | 4 | — |
| Pattern Blue | Spell | 10 | Ramiel |
| Polymorph | Spell | 10 | Jelly |
| Punch | Spell | 10 | Two Punch |
| Teleport | Teleport | 5 | — |
| Craft | Utility | 2 | — |
| Crush | Utility | 10 | — |
| Merge | Utility | 9 | — |
| Smelt | Utility | 5 | — |
| Split | Utility | 9 | — |
| Store | Utility | 10 | — |
| Transmute | Utility | 10 | — |