Extreme Rune Buster

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RSTrans6.png [Special Active: Bravery] Strike the ground using a sword filled with mana and cause chain explosion with flame, ice and poison runes.
Destruction Skill
  • Consumes the Destruction gauge and charges the Vitality gauge
  • Boosts attack power by 50% when Destruction is active


Class Level Required
Rune Slayer: Transcendent 95

Skill Information


Character Level Damage (Magical) Max Hits Duration MP Usage Cooldown
Sword Aura Shockwave Rune Explosion Sword Aura Shockwave Rune Explosion Burn Ice Poison
95 122% 440% 1068% 6 6 7 (???) 5 Seconds 300 MP 23 Seconds


Character Level Damage (Magical)
Sword Aura Shockwave Rune Explosion
95 41% 149% 290%

Skill Traits


Enhanced Extreme Rune Buster Light Extreme Rune Buster
Attribute Effect Damage Critical Rate Attribute Effect MP Usage
Sword Aura Swockwave Rune Explosion
Critical Hit Rate increased to 100%
Damage decreased to 80%
97.6% 352% 854.4% 100% MP Usage decreased to 80% 240 MP


Enhanced Extreme Rune Buster
Sword Aura Swockwave Rune Explosion
32.8% 119.2% 232%

Tips and Details

  • Each rune possess their own hitbox. Therefore, using this skill on small opponents will deal minimal damage while using it on large opponents will deal maximum damage.


  • This is the only Rune Slayer skill to use a Sword Aura. The blade is slightly larger than Infinity Sword's Phantom Sword and resembles a Luna Blade in appearance. It can not be controlled after the skill.
    • Additionally, the release of this skill means all of Elsword's and Elesis's classes now have an Aura they can call upon, although Rune Slayer and Crimson Avenger cannot control theirs after the skills that summon them.


  • 11/03/2016 KR
    • Sword Aura damage increased.
    • Shockwave damage decreased.
    • Rune Explosion damage decreased.
  • 01/25/2017 KR
    • Sword Aura damage decreased.
    • Shockwave damage decreased.
    • Rune Explosion damage increased.
  • 04/27/2017 KR
    • PvE damage increased.
    • PvP Shockwave damage increased.
  • 07/27/2017 KR
    • PvP Sword Aura damage decreased.
    • PvP Shockwave damage decreased.
    • Rune Explosion damage increased.

Alternative Names

Server Name Translation
Korean Flag.png South Korea 익스트림 룬 버스터 Extreme Rune Buster
Japanese Flag.png Japan エクストリームルーンバスター Extreme Rune Buster
Chinese Flag.png China (Simplified Chinese) 极限符文爆裂 Extreme Rune Buster
German Flag.png Germany Extrem-Runen Extreme Runes
Spanish Flag.png Spain Runas extremas Extreme Runes
French Flag.png France Runes extrêmes Extreme Runes
Italian Flag.png Italy Rune estreme Extreme Runes
Polish Flag.png Poland Ekstremalne Runy Extreme Runes
English Flag.png United Kingdom Extreme Runes

Transcendence Rune Slayer Skills
Special Active
RSTrans1.png Triple Saber     RSTrans3.png Overs Geyser     RSTrans6.png Extreme Rune Buster     
RSTrans2.png Enchant Breaker     
RSTrans4.png Awakened Will: Rune Slayer     TransShared.png Awakened One     RSTrans5.png Magic Coating