# Guides

- [Chaos Weapon](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/chaos-weapon.md)
- [Spirit Stone](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/spirit-stone.md): To create Spirit Stones the player will go to the Chaos Machine and select the second option: Magic Stone Combination
- [Ancient Hero Soul](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/ancient-hero-soul.md)
- [Blood Angel Set](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/blood-angel-set.md)
- [Upgrade Mastery Set](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/upgrade-mastery-set.md)
- [Upgrade Mastery Weapons](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/upgrade-mastery-weapons.md)
- [Mysterious Stone](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/mysterious-stone.md)
- [Refining Stone](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/refining-stone.md)
- [Earrings Upgrade](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/earrings-upgrade.md)
- [Seed Creation](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/seed-creation.md)
- [Seed Upgrade](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/seed-upgrade.md)
- [Upgrade Item Sockets](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/upgrade-item-sockets.md)
- [Blessed Weapon](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/blessed-weapon.md)
- [Elemental System](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/elemental-system.md)
- [Pentagram Trade Limit](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/pentagram-trade-limit.md)
- [Pentagram 5th Slot](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/pentagram-5th-slot.md)
- [Errtel Creation](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/errtel-creation.md)
- [Errtel Evolution Rank 1-3](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/errtel-evolution-rank-1-3.md)
- [Mastery Pentagram](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/mastery-pentagram.md)
- [Mastery Errtel](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/mastery-errtel.md)
- [Elemental Option](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/elemental-option.md)
- [Elemental Options Upgrade](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/elemental-options-upgrade.md)
- [Element Conversion](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/element-conversion.md)
- [Remove Errtels](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/remove-errtels.md)
- [Artifact](/mu-ostyle-wiki/mu-ostyle-wiki-eng/mu-ostyle/guides/artifact.md)
