Fire · On units
Roast Up
Envelops multiple enemy units in flames, burning them badly.
Asar
Spell scene
Choose the units and replay the cast with the cartridge’s sprites and sounds.
Press Replay or Resume to activate sound.
Spell drawing
Roast Up
This unit uses its idle pose for chanting or casting.
Illustrative reconstruction: frames, palettes and effect timings come from the ROM. Part placement and drawing speed are choices of this viewer.
Outcome and status application are selected for the demonstration; they are not a battle roll.
How to cast it
Draw these runes in order, each in one stroke, while holding L.
MP cost
It goes down as Isaac’s level in each rune’s element rises.
| Element level | 1–10 | 11–20 | 21–30 | 31–40 | 41–50 |
|---|---|---|---|---|---|
| MP | 70 | 66 | 62 | 58 | 54 |
Aim
Draw a circle. Touch a centre inside the range and drag out to set the radius.
Affects: Enemies
What it does
- Duration
- 1 s · 60 ticks
- Cast range
- 110 px
- Radius
- 50 px
Status: Burn
- Chance
- Always
- Lasts
- 20 s · 1200 ticks
- Strength
- 45
Similar spells
The 2 spells that run on the same game code as this one. Only what changes between them is shown.
| Spells | MP (level 1–10) | Cast range | Radius | Aim |
|---|---|---|---|---|
| Burn Up | 50 | 100 px | — | Tap a unit |
| Roast Up | 70 | 110 px | 50 px | Draw a circle |