Monster Super League Wikia
Maintenance Countdown


Maintenance Schedule
  • "We will be performing scheduled maintenance beginning on Thursday, December 28th, 00:00(UTC+0) and we expect the service to be available again at approximately 00:00(UTC+0). During this time the game will be unavailable for play."


Maintenance Details
  • NOTE: There will also be an announcement about major re-balancing of units however it has yet to be translated and released. You can find the Korean release here.
1228 NewAstromon1

▸ New Astromon Added

1228 NAstro2
  • Fennec Added (3★Fire/Water/Wood, 4★Light/Dark)
    • Obtained via rebirth and incubators
  • Grabag Added (3★Fire/Water/Wood/Light/Dark)
    • Obtained from Grabag Capture Festival


▸ Grabag Capture Festival

  • Pre-registration will launch from January 4th, 2018, 12:00 to January 8th 11:59(UTC+0)
    • Score some easy tickets during this time by submitting your "wishes"
  • Festival will launch from January 8th, 12:00 to January 29th 11:59(UTC+0)
    • This is when Grabag will be available to capture
    • (3★Fire/Water/Wood)Grabags randomly spawn during adventures and can be captured
    • (3★Fire/Water/Wood)Grabags' encounter rate is higher than 'Super Rare' Astromons'
  • Finale will launch from January 29th 12:00 to January 31st 11:59(UTC+0)
    • Spend your tickets during this time.
  • Habitat
    • Normal: (3★)Jubilee(Wood)
    • Hard: (3★)Jubilee(Water)
    • Extreme: (3★)Jubilee(Fire)

▸ [Season Limited] (3★)Grabag(Fire) Guardian Dungeon Event

  • Jan 8th 12:00 ~ Jan 31st 2018, 23:59 (UTC+0)
  • (3★)Grabag(Fire)'s Soulstones can be acquired during the event
    • (2★)Kilobat(Light) Guardian Dungeon is unavailable during the event

▸ [Season Limited] (3★)Variant Grabag(Fire) Available at Crystal Shop

  • Jan 8th 12:00 ~ Jan 31st 2018, 11:59 (UTC+0)
  • Costs 300 Crystals and can be repeatedly purchased

▸ [Season Limited] (3★)Grabag(Fire)'s Soulstones Available at Shady Shop

  • Jan 8th 12:00 ~ Jan 31st 2018, 11:59 (UTC+0)
  • Will appear at a random rate.

▸ [Season Limited] Epic Fusion Event!

1228 SpecialFusion
  • Event Period: Dec 28th 00:00 ~ Jan 31st 2018, 23:59 (UTC+0)
    • You can get one of each (4★)Nalakuvara(Fire), (4★)Loki the Trickster(Water), and (4★)Nike(Wood) through Fusion during the event.
    • Each fusion is limited to "one time only" and cost 300k Gold.
      • (4★)Nezha Santaizi(Fire) + (3★)Jubilee(Fire) = (4★)Nalakuvara(Fire)
      • (4★)Loptr(Water) + (3★)Jubilee(Water) = (4★)Loki the Trickster(Water)
      • (4★)Vicky(Wood) + (3★)Jubilee(Wood) = (4★)Nike(Wood)
    • Notes:
      • All slotted gems will be removed through Fusion, so please unequip them first before proceeding Fusion
      • All gem shapes will be randomly changed through Fusion
      • All Astromons summoned through Fusion will have their stats reset

▸ 5 New Synergy Bonuses Added

  • Goddesses of War
  • Cold-Blooded
  • Mentor & Disciple
  • Celebrities
  • From the East


▸ New Skill Books Added

  • Artemis(5★Fire/Water/Wood/Light/Dark)
  • Fennec(3★Fire/Water/Wood, 4★Light/Dark)
  • Cosmo(3★Light/Dark)

▸ [Season Limited] Variant Holy Gleem Package Added

  • Dec 28th 2017, 00:00 ~ Jan 17th 2018, 23:59 (UTC+0)
  • Package Contents:
    • 1 Variant Holy Gleem
    • 1 [Legendary] Secret Egg
    • 1 [High] Light/Dark Egg
    • 200,000 Gold
    • 100 Energy
  • Package can only be bought once.

▸ [Limited!] Skillbook Added

  • Event period: 12/15 3:00 ~ 12/31 14:59 (UTC+0)
  • We will be selling 4 skillbooks of the Astromon selected as Astromon of the Month.
  • Astromon of the Month #1 : 5★ Skillbook (Valkyrie)
    • can be purchased up to 8 times
  • Astromon of the Month #2: 4★ Skillbook (Random between Incubus and Leo)
    • can be purchased up to 8 times
  • Astromon of the Month #3: 3★ Skillbook (one among Miho, Seedler, Seiren)
    • can be purchased up to 10 times
  • Astromon of the Month #4: 1★ Skillbook (Slime)
    • Unlimited purchase available

▸ [Season Limited] New Year's Package Added

  • Jan 8th 12:00 ~ Jan 31st 2018, 11:59 (UTC+0)
  • Cost 990 Astrogem, Package:
    • 2x (3★)Grabag(Fire)
    • 1 (3★)Grabag(Water)
    • 1 (3★)Grabag(Wood)
  • Max 5 purchases during event.
    • Buying 3 Packages will grant you an additional 1 [High] Light/Dark Egg
    • Buying 5 Packages will grant you an additional 1 Gleem Egg (Fire/Water/Wood)

▸ [Season Limited] (3★)Grabag(Light)&(3★)Grabag(Dark) Packages Added

  • Jan 8th 12:00 ~ Jan 31st 2018, 11:59 (UTC+0)
  • Light Package - 2,000 Astrogems
    • (3★)Grabag(Light)
    • (3★)Grabag(Fire)
    • (3★)Grabag(Water)
    • (3★)Grabag(Wood)
    • 300,000 Gold
  • Dark Package - 2,000 Astrogems
    • (3★)Grabag(Dark)
    • (3★)Grabag(Fire)
    • (3★)Grabag(Water)
    • (3★)Grabag(Wood)
    • 300,000 Gold


▸ [Grabag Capture Festival Limited] Benedict's Support Package 1+1 Event

  • Jan 8th 12:00 ~ Jan 31st 2018, 11:59 (UTC+0)
  • Buying Benedict's Support Package during the event will grant you another '2x Astromon Encounter Rate Booster(12hours)'
    • 1+1 Event will only apply to your FIRST purchase (Multiple purchases can be done)


▸ [Season Limited] New Skill Books Added at Crystal Shop

  • Jan 15th 12:00 ~ Jan 31st 2018, 23:59 (UTC+0)
  • 4 types of Skill Books for 'Astromons of the Month' Added
    • 5★Skill Book of the Month(Artemis) - 430 Crystals
      • 8 Purchases Max
    • 4★Skill Book of the Month(Thor or Yuki) - 160 Crystals
      • 8 Purchases Max
    • 3★Skill Book of the Month(Miho, Fennec or Cosmo) - 33 Crystals
    • 2★Skill Book of the Month(Squirrus) - 5 Crystals


Bug Fixes

▸ General

  • Added sex to Astromons without one(male/female)
  • Adjusted the size of Gold UI in Stone Fusion

▸ Balance

  • Adjusted stats and rearranged skills&types of (5★)Astromons
  • Adjusted stats and rearranged skills&types of (4★)Astromons(Light/Dark)
  • Adjusted stats and rearranged skills&types of (3★)Astromons

▸ Bug Fixes

  • Fixed an issue that every Astromons evolved from (4★)Wildfang(Fire) didn't get the bonus from Sisterhood Synergy


 Ending Events

▸ Ends Dec 28th, 2017

  • Supporter Rudolph

▸ Ends on Dec 31st 2017, 11:59(UTC+0)

  • Rudolph Capture Festival
  • [Season Limited] (3★)Rudolph(Wood)'s Soulstones at Shady Shop
  • [Season Limited] (3★)Variant&Rudolph(Wood) at Crystal Shop
  • [Season Limited] Rudolph's Christmas Gift
  • [Rudolph Capture Festival Limited] Benedict's Support Package

▸ Ends on Dec 31st 2017, 23:59(UTC+0)

  • [Season Limited] Rudolph Fusion Event
  • [Season Limited] (4★)Mona(Dark) & (4★)Jellai(Light) Fusion Event
  • [Season Limited] (3★)Rudolph(Wood) Guardian Dungeon Event
  • [Season Limited] Skill Books of the Month(December) at Crystal Shop
  • [Season Limited] Adieu 2017 Package



Sources: Official Facebook Page, Maintenance Notes