Earth · On units
Rock Grudge
Makes multiple enemies weak against earth.
Rencor roca
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
Rock Grudge
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
- 120 px
- Radius
- 50 px
Status: Elemental weakness
- Chance
- Always
- Lasts
- 30 s · 1800 ticks
Similar spells
The 12 spells that run on the same game code as this one. Only what changes between them is shown.
| Spells | Element | MP (level 1–10) | Radius | Aim |
|---|---|---|---|---|
| Fire Curse | Fire | 50 | — | Tap a unit |
| Blaze Curse | Fire | 70 | 50 px | Draw a circle |
| Water Curse | Water | 50 | — | Tap a unit |
| Ice Grudge | Water | 70 | 50 px | Draw a circle |
| Wind Curse | Wind | 50 | — | Tap a unit |
| Gale Grudge | Wind | 70 | 50 px | Draw a circle |
| Earth Curse | Earth | 50 | — | Tap a unit |
| Rock Grudge | Earth | 70 | 50 px | Draw a circle |
| Light Curse | Light | 50 | — | Tap a unit |
| Pure Grudge | Light | 70 | 50 px | Draw a circle |
| Dark Curse | Dark | 50 | — | Tap a unit |
| Dark Grudge | Dark | 70 | 50 px | Draw a circle |