Earth Prison Strengthener – MU Online Skill Details
Magic damage skill for Alchemist, Dark Wizard, Lemuria Mage + others (Imprint 135).
Earth Prison Strengthener is a magic damage skill in MU Online. Its main users are Alchemist, Dark Wizard, Lemuria Mage, Light Wizard, plus a handful of other classes. There is no level gate on it, meaning it slots into builds across all stages of progression. Its requirements mark it as an Energy‑driven caster skill, so feed points into that attribute if you want it hitting its ceiling. On RiftMu its raw base damage is 4 – weapon damage, gear options and buffs all stack on top of that number. With an Imprint value of 135, you can weigh how strongly it scales through Imprint or mastery upgrades against the other skills in its tree.
This data comes straight from RiftMu's live game files, so the numbers match what the server actually runs — useful for planning PvE and PvP rotations or checking a skill before you build around it. For build advice, start from your class guide instead: skills are one part of a build, not the build.
Damage, Costs & Requirements
| Base Damage | 4 |
|---|---|
| Imprint Value | 135 |
| Required Level | 0 |
| Required Strength | 0 |
| Required Dexterity | 0 |
| Required Vitality | 0 |
| Required Energy | 20 |
| Required Command | 0 |
| Mana cost | 198 |
| Stamina (AG) cost | 17 |
| Range | 3 |
| Primary stat orientation | Energy‑driven caster skill |
Which Classes Can Use This Skill?
- Dark Wizard 3rd class (after the 2nd class-up quest)
- Magic Gladiator 3rd class (after the 2nd class-up quest)
- Rune Wizard 3rd class (after the 2nd class-up quest)
- Light Wizard 3rd class (after the 2nd class-up quest)
- Lemuria Mage 3rd class (after the 2nd class-up quest)
- Alchemist 3rd class (after the 2nd class-up quest)
The number attached to each class in the game data (DarkWizard="1",
Alchemist="5" and so on) shows which evolution of that class unlocks the
skill: 1 = base class, 2 = 2nd class, 3 = 3rd class, 4 = 4th / majestic class,
5 = 5th class evolution.