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Crom Bás

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For the quests to gain access to this page's contents, see Waves Amidst the Calm.
CromBas Login.png
Irusan Face Bubble.png
Mission Information
Time Limit None
Party Count 1~4
Quest Board Location Brielle
Minimum Level None
Minimum Total Level None
Minimum Combat Skill Level 1,500

 
 
On that dark and stormy night, what exactly did we see…?[1]
 

 

Description

  • Crom Bás is an incredibly difficult maze-like castle in Tory Ravine that offers high-level rewards to those who can clear its challenges.

Requirements

  • Requires a Total Combat Skill Level of 1,500+ and for Waves Amidst the Calm to be cleared[2].
  • If the player finds Normal, Advanced, or Elite Crom Bás too difficult to clear for the purposes of the questline they can instead complete Crom Bás Quest Mode.
    • Crom Bás Quest Mode is far easier than regular Crom Bás and revivals are automatic. Gold is the only reward, however.

Limitations

  • You cannot use certain revival methods.
    • Nao Stones, Guardian Soul Stones, Advanced Feathers, and Balloons are prohibited.
    • Regular Phoenix Feathers, Party Feathers, Pet First-Aid Kits, Defiance, and the Flame of Resurrection are allowed.
  • You cannot use certain skills.
  • You and your party can only rejoin Crom Bás after logging out, crashing, or closing the game 3 times for each party member.
  • You will be afflicted with Potion Indigestion; all Potions will have a 30-second cooldown after use.
  • Crom Bás can only be cleared 10 times a week.
    • A failed attempt will not count towards the limit.
    • Clear count is reset at 7:00am PDT100 on Saturday.
    • Clearing it afterwards will only reward 1 Adamantine Coin for Normal, 2 Adamantine Coins for Advanced, and 4 Adamantine Coins for Elite.

Dynamic Difficulty

  • The difficulty of Crom Bás changes while players are inside of the castle based on player action/inaction. There are three measures of difficulty:

Dark Erg

CromCircle Red.png
CromCircle Green.png
CromCircle Yellow.png
  • Dark Erg, shown in Red, is the overall difficulty of the dungeon and its mobs. Increasing this will also increase the possible rewards from Crom Bás.
    • Increasing the Dark Erg Gauge is optional. It will make Crom Bás more difficult but the rewards will be greater.
    • Dark Erg 0~30% is considered Normal difficulty, Dark Erg 40~70% is considered Advanced difficulty, and Dark Erg 80~100% is considered Elite difficulty.
  • Dark Erg starts at 20% when players enter Crom Bás.
  • Dark Erg is controlled by the Teleportation Ritual Circles.
    • Traveling through a Red Circle will increase the Gauge by a flat +10%, up to 100%.
    • Traveling through a Green Circle will decrease the Gauge by a flat -10%, down to 0%.
    • Traveling through a Yellow Circle will maintain the Gauge at its current percentage.
  • The Teleportation Ritual Circles that are offered are preset depending on the path that the party takes through Crom Bás, and some Circles will only appear if the party successfully accomplishes a room's goal.

Pursuers

  • Pursuers, shown in Blue, is the measurement showing the likeliness of being ambushed by a swarm of enemies.
    • Increasing the Pursuers Gauge is never recommended on Normal Difficulty. It will only make Crom Bás more difficult for no greater reward.
    • In the Final Battle Room on Advanced and Elite Difficulties, higher Pursuers Gauge will reduce the number of waves.
  • Pursuers will generally increase when the party fails to perform certain actions. These include:
    • A player hitting an Alarm Bell will increase the Gauge by +20%.
    • An Un Llygadog hitting an Alarm Bell will increase the Gauge by +20%.
    • Farming in the Note Puzzle room will increase the Gauge by +7% each wave after the second (for a total of +49%).
  • The Pursuers Gauge will only decrease when Pursuers are spawned, decreasing by -10% when this happens.
    • This does not occur if an Alarm Bell has rung.

Crom Bás Info

  • Crom Bás Info, shown in Green, is the measurement showing how much optional work the players have done to remove traps and boost their character's abilities in the castle.
    • Increasing the Crom Bás Info Gauge is usually recommended. It will make Crom Bás less difficult for no penalty to rewards, though the tasks required to gain Info may be too difficult or lengthy for some players.
  • Crom Bás Info will generally increase when the party succeeds to perform certain actions. These include:
    • Farming in the Note Puzzle room will increase the Gauge by +3% each wave, up to nine times (a total of +27%).
    • Correctly guessing Note Puzzle room's code will increase the Gauge by +10%.
    • Resting by the mysterious Campfires for 1 minute will increase the Gauge by +5% for each party member that does so (a possible total of +20%).
      • Doing so also awards Effect - Arrowup Large Red.png Great Mood status for 5 minutes.
    • Protecting the Civilians until they escape will increase the Gauge by +20% without? being hit.
    • Guiding the Possession Ghost all the way through will increase the Gauge by +20%.
  • Upon entering certain rooms, the value of this Gauge determines the chance that a Trap successfully goes off. The chance is 0 at 100% Info.
    • If the Trap successfully goes off Potion Indigestion is upgraded to Effect - Skull Purple.png Food and Potion Prohibition, preventing the use of all foods and potions for that room. In addition, most colors on the computer screen will become desaturated.
  • The value of this Gauge determines the number of helpful buff-offering Souls that appear, up to 6 at 100% Info.
    • If Souls appear at the completion of room, those Souls will offer 2 buffs to players.
      • Any one player may take a buff from any one Soul, but only one buff per soul is given.
      • Buffs of different kinds cannot stack; however, the same buff can stack.
      • Buffs lose one stack upon death and will expire if all stacks are lost.
    • The first buff offered is a Percent Damage increase to a specific Talent of damaging skills.
      • Damage is increased by +6% for the first buff stack and +1% for each additional stack thereafter.
    • The second buff offered can be a buff to Health Points, Mana Points, Defense, Protection, the Music Talent, or the Holy Arts Talent.
      • Health and Mana is increased by +1000 for the first buff stack and ??? for each additional stack thereafter.
      • Defense is increased by +10 for the first buff stack and ??? for each additional stack thereafter.
      • Protection is increased by +6 for the first buff stack and +3 for each additional stack thereafter.
      • The Music Talent buff decreases Encore cooldown by -40% for the first buff stack and -10% for each additional stack thereafter.
      • The Holy Arts Talent buff increases the effects of Healing by +100% for the first buff stack and ??? for each additional stack thereafter.

Map

Room Types

Large Room

  • The most basic room found in Crom Bás, featuring a large square-shaped room.
    • Every corner will have its own Alarm Bell that either the players or the Un Llygadogs can hit to cause Pursuers to Ambush.
  • Two to six waves of enemies will spawn and then the room will be cleared.
  • Rooms 1 and 8 will always be Large Rooms.
  • Rooms 3, 5, and 6 can be Large Rooms depending on the path taken.

Small Room

  • The second-most basic room found in Crom Bás, featuring a small square-shaped room.
    • Every corner will have its own Alarm Bell that either the players or the Un Llygadogs can hit to cause Pursuers to Ambush.
  • Two waves of enemies will spawn and then the room will be cleared.
  • Rooms 3, 5, and 6 can be Small Rooms depending on the path taken.

Note Room

cromBasOutputAddAdd:cromBasInputNumberOne+cromBasInputNumberTwo+cromBasInputNumberThree cromBasOutputSubSub:cromBasInputNumberOne-cromBasInputNumberTwo-cromBasInputNumberThree cromBasOutputMultMult:cromBasInputNumberOne*cromBasInputNumberTwo*cromBasInputNumberThree cromBasOutputAddSub:cromBasInputNumberOne+cromBasInputNumberTwo-cromBasInputNumberThree cromBasOutputSubAdd:cromBasInputNumberOne-cromBasInputNumberTwo+cromBasInputNumberThree cromBasOutputMultAdd:cromBasInputNumberOne*cromBasInputNumberTwo+cromBasInputNumberThree cromBasOutputMultSub:cromBasInputNumberOne*cromBasInputNumberTwo-cromBasInputNumberThree

📝 Crom Bás Calculator
1st Number 2nd Number 3rd Number
name=cromBasInputNumberOne;default=0;; name=cromBasInputNumberTwo;default=0;; name=cromBasInputNumberThree;default=0;;
Possible Math Solutions
formula=cromBasOutputAddAdd; formula=cromBasOutputSubSub; formula=cromBasOutputMultMult;
formula=cromBasOutputAddSub; formula=cromBasOutputSubAdd; formula=cromBasOutputMultAdd; formula=cromBasOutputMultSub;
Possible Keywords
Bas Baltane Lughnasadh Samhain Imbolic
  • The Note Puzzle Room is similar to the more common Small Room, but features a single skull-shaped Switch Orb in the center of the room.
    • Unlike Small Rooms, the Note Puzzle Room does not have Alarm Bells in the corners.
  • Two waves of enemies will spawn and then the room will be cleared.
    • Players can press the skull-shaped Switch Orb to summon additional waves of enemies.
      • Clearing these waves will award Crom Bás Info and will reward Notes to the Party Leader.
      • Summoning waves after the second will increase the Pursuers Gauge.
  • The Note Puzzle Room hides a Red Teleportation Ritual Circle that can only be accessed by typing aloud a secret phrase.
    • The phrase can be learned from the reward Notes.
    • The 1st reward note is always useless.
    • The 2nd-4th reward notes feature a bulleted number, i.e. "1) 42", "2) 11", "3) 10".
    • The 5th reward note features a mathematical equation to use with the numbers, i.e. "1+2-3"; using the above numbers the result is 42+11-10=43.
    • The 6th reward note features a keyword, i.e. "Last Baltane"
    • The solution is to type into chat the resulting number and the keyword together with no spaces; using the above the solution would be 43Baltane.
    • Reward notes beyond the 6th will hint at how to solve the solution. The 9th and last reward note will simply have the final solution written out verbatim.
    • It is possible to solve figure out all possible secret phrases by the 4th note.
  • Room 2 will always be the only Note Puzzle Room.

Defense Room

  • The Defense Room features Civilians that must be protected in a similar manner to Revived Illusion or Avalon Bridge.
    • The Defense Room does not have Alarm Bells in the corners.
  • Sixteen Waves of enemies need to be defeated and then the room will be cleared.
    • Enemies cannot be allowed to reach the Civilian circle or else the three Civilians will slowly be kidnapped.
    • The room fails if all of the Civilians are captured; this is faster than attempting to clear the room but no benefit will be earned.
  • A ritual circle will occasionally form where the enemies spawn in and massively buff the speed and stats of the enemies.
    • In order to deactivate the buff, players will need to hit 3 of the 6 skull-shaped Switch Orbs that surround the Civilians.
    • The pattern required will be the same as the illuminated skull-shaped Switch Orbs that surround the enemies' ritual circle.
  • The Defense Room hides a Red Teleportation Ritual Circle that can only be accessed by saving the Civilians.
  • Room 4 will always be the only Defense Room.

Possession Room

  • The Defense Room features a Spirit that a player must allow to possess them.
    • The Possession Room does not have Alarm Bells in the corners.
  • While a player is Effect - Ghost Grey.png Possessed, they will be forced to walk at a slow pace without the use of pets or skills.
    • The possessed player must walk from the 1st Possession Circle to the 2nd Possession Circle, and then from the 2nd Possession Circle to the 3rd Possession Circle to clear the task.
    • Getting hit by any attack will cancel the possession and force the players to start over.
    • Elves can use Hide beforehand to completely ignore aggro, making them the best at performing this task.
    • Possession quickly consumes a players Mana and Stamina, possibly leaving them defenseless after this task.
  • Enemies in this room will take a Damage-over-Time while they stand inside of the dark fog that lingers where the Possession Circles are placed.
    • They are immune to all other forms of damage, though the fog can quickly defeat them.
    • Spinning Slasher is useful to draw the enemies into the dark fog.
  • The Possession Room hides a Red Teleportation Ritual Circle that can only be accessed by escorting the Spirit.
  • Room 7 will always be the only Possession Room.

Final Battle Room

  • The Final Battle Room is similar to the more common Large Room, but only appears when Irusan is fought at Dark Erg 40% or above.
  • Four to seven waves of enemies will spawn, depending on the Dark Erg and on the Pursuers Gauge, and then the room will be cleared.
    • At Dark Erg 40%+, five waves will spawn.
    • At Dark Erg 70%+, seven waves will spawn.
    • Every 15% Pursuers Gauge will reduce the total waves by 1, down to a minimum of 4.
  • Room 10 will always be the only Final Battle Room.

Monsters

Tips

Slime Wyneb

Frozen Cari

Melci Diafol

Irusan

Rewards

Adamantine Coin
Rewards
Gold Dark Erg
x3 Coins on Friday to Sunday
1 100,000 0%
1 110,000 10%
2 120,000 20%
3 130,000 30%
4 330,000 40%
5 350,000 50%
6 370,000 60%
8 390,000 70%
12 500,000 80%
16 550,000 90%
22 600,000 100%
  • Players will obtain "the Cat's Meow" Title and a Journal entry on their first Dark Erg Normal 0%-30% clear.
  • Players will obtain "the Soul Severer" Title and a Journal entry on their first Dark Erg Advanced 40%-70% clear.
  • Players will obtain "the Light in the Abyss" Title and a Journal entry on their first Dark Erg Elite 80%-100% clear.
  • Players will obtain "the Usurper of the Abyssal Throne" Title on their first Dark Erg Elite 100% clear.

Giant Leprechaun

  • Once per real-life day, each unique Party Leader can find a Giant Leprechaun inside of Crom Bás.
  • Defeating it quickly enough rewards all players in the party with one key and chest. Rewards include:

Clear Rewards

  • Gold: (See Table) Gold in 1 Check
  • Experience: 400,000 EXP
  • Adamantine Coins: (See Table)

General Rewards

Trivia

  • Crom Bás are the Irish words for crooked, bent, or twisted (similar to Cromm Cruaich) and death, respectively.
    • Brielle recognizes this as the "old tongue" and agrees that it would possibly mean "twisted death".
  • Before the Unveiled Abyss Part 2 Update, Irusan would still be the Final Boss even above Dark Erg 30%.
  • Before the Crom Bás Dungeon Polishing, Anchor Rush, Tumble, and Wings of Eclipse were prohibited in Boss Rooms.
  • Before the Crom Bás Dungeon Polishing, the Music Enhancement blessing would erroneously set the Cooldown for Encore to 0 seconds.
  • Before the Crom Bás Dungeon Polishing, you would not revive automatically if you died due to remaining AOE effects after clearing Crom Bás.

Gallery

References