PENTAGRAM & ERRTEL SYSTEM

Section	Description
Introduction	The Pentagram & Errtel System is the Elemental Equipment System introduced in Season 7 and remains one of the most important equipment systems throughout future MU Online seasons. It adds elemental combat mechanics that are separate from normal physical and wizardry damage. As new seasons are released, Pentagrams and Errtels become increasingly valuable for defeating powerful monsters, challenging bosses, and participating in advanced PvP content.

Section

Description

Introduction

The Pentagram & Errtel System is the Elemental Equipment System introduced in Season 7 and remains one of the most important equipment systems throughout future MU Online seasons. It adds elemental combat mechanics that are separate from normal physical and wizardry damage. As new seasons are released, Pentagrams and Errtels become increasingly valuable for defeating powerful monsters, challenging bosses, and participating in advanced PvP content.

PENTAGRAM SYSTEM FEATURES

Feature	Description
Equipment Type	Pentagram
Purpose	Provides Elemental Attack and Elemental Defense.
Upgrade Level	+1 to +15
Upgrade NPC	Chaos Goblin
Socket Slots	Minimum 1 Slot up to 4 Slots
5th Slot	Radiance (Not available in the current season)
Current Season	Supports up to 4 Errtel Slots only.

ELEMENTAL COMBAT

Feature	Description
PvP Damage	Elemental Damage primarily affects Shield Protection (SD) instead of directly damaging HP.
PvE Damage	Elemental Damage is highly effective against monsters and bosses with Elemental Defense.
Elemental Counter System	Every element has strengths and weaknesses against other elements, allowing players to counter specific Pentagram builds.
Future Progression	Elemental combat becomes increasingly important in later EX Season updates.

HOW TO OBTAIN PENTAGRAMS

Source	Description

Acheron Map

Hunt monsters throughout Acheron to obtain Pentagrams and Mithril materials.

ACHERON ACCESS

Feature	Description
Required Item	Acheron Map Ticket
Primary Source	Combine 5 Spirit Map Fragments to create 1 Acheron Map Ticket.
Additional Sources	Acheron Map Tickets are also available from Moss Miracle and GPoint Cash Shop.
Spirit Map Fragment Source	Dropped by monsters Level 114 and above.
Entry NPC	Captain Slough
NPC Location	Noria (196, 112)
Available Maps	Alkmar and Ubaid

PENTAGRAM TYPES

Pentagram
Muren's Book of Magic
Scroll of Etramu
Lorencia Knights' Iron Shield
Hero Elixir
Gladiator's Dagger

Note

Note	Description
Current Season Availability	The Pentagrams listed above are the only Pentagram types available in the current season. Additional Pentagram types will be introduced through future Season Progression updates.

PENTAGRAM SLOTS

Slot	Name	Status
Slot 1	Anger	Available
Slot 2	Blessing	Available
Slot 3	Integrity	Available
Slot 4	Divinity	Available
Slot 5	Radiance	Not Available (Future Season Progression)

ERRTEL SYSTEM

Feature	Description
Purpose	Errtels are elemental stones inserted into Pentagrams to grant powerful elemental attributes.
Minimum Level	Level 1
Maximum Level	Level 10
Maximum Rank	Rank 5

ERRTEL TYPES

Errtel Type
Errtel of Anger
Errtel of Blessing
Errtel of Integrity
Errtel of Divinity

ERRTEL ELEMENTS

Element
Fire
Earth
Wind
Water
Darkness

ERRTEL RANKS

Rank 1

Rank 2

Rank 3

ERRTEL RANK OPTIONS

Rank Type	Description
Rank 1	Grants the base elemental option of the Errtel.
Rank 2	Improves the effectiveness of the existing elemental option.
Rank 3	Further increases the power of the elemental option and unlocks an exclusive bonus that increases Elemental Damage against either PvP or PvM, depending on the Errtel's enhancement.

TO LEARN MORE ABOUT ERRTEL CRAFTING, Click Here.

MU-ASIA SERVER SETTINGS

Feature	Description
Maximum Rank	Errtel upgrades are currently capped at Rank 3. Rank 4 and Rank 5 are reserved for future server progression and are not yet available.
Upgrade Difficulty	Errtel progression is intentionally challenging, rewarding players who invest time and effort into the Elemental System.
Restricted Items	Elemental Talisman of Luck and Elemental Talisman of Chaos are unavailable to preserve the intended upgrade difficulty and progression.
Future Progression	Rank 4, Rank 5, additional Errtel enhancements, and advanced Elemental System features will be introduced in future server updates as part of the Season Progression roadmap.

BENEFITS OF THE ELEMENTAL SYSTEM

Benefit	Description
Future-Proof Equipment	Pentagrams and Errtels remain essential equipment throughout future EX Seasons.
Boss Hunting	Provides significant advantages against future monsters and bosses with Elemental Defense.
Advanced PvP	Adds a new layer of strategy through elemental strengths, weaknesses, and Shield Protection damage.
Character Customization	Combine different Pentagrams and Errtels to create specialized elemental builds.
Long-Term Progression	One of the most important equipment systems for end-game character development.

IMPORTANT NOTES

Note	Description
Radiance Slot	The fifth Pentagram slot (Radiance) is not available in the current season and will be introduced through future Season Progression updates.
Starter Equipment	Every newly created character automatically receives a Beginner Pentagram.
Acheron Access	An Acheron Map Ticket is required to enter the Acheron Map.
Disconnect & Character Switch	Your character will automatically leave the Acheron Map if you disconnect from the game or switch characters. A new Acheron Map Ticket is required to enter the map again.
Party Move	Party Move is disabled inside the Acheron Map. All players must enter the map individually using an Acheron Map Ticket.
Elemental Damage	Elemental Damage primarily affects Shield Protection (SD) and does not directly reduce HP during PvP combat.
Elemental PvE	Elemental Damage becomes increasingly important when fighting future monsters and bosses with Elemental Defense.
Map Guide	The complete list of Acheron monsters, drop items, and hunting locations is available in the MU Continent Guide → Acheron.
Upgrade Guide	Detailed Pentagram upgrades, Errtel Creation, and Errtel Upgrade combinations are available in the Combination Recipe Guide → Adniel.

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