Titan's Grotto

A laboratory with a portal located in the deep-sea. The dormant titan awakes.

 

Description
The dormant ancient weapon slowly awakes.
Recommended Level
99
Required Combat Power
500,000
Entry Requirements
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  • Can enter for free 5 times per day.
  • Can enter additional times using Titan's Grotto Key  .
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Details
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  • Up to 6 players can enter (minimum 3 players required to enter)
  • Item Drop Rate effects except for Drop Rate Events do not affect drops from this dungeon.

  Enviromental Debuff - Demon Realm

  • The El's power does not reach into this realm, Attack and HP will be reduced by 60%.
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Mobs
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Monster Image Monster Description Monster Moves
  Iserlohn Tai - A security device on the machine's lowest floor, disabling the teleporter to the middle floor.
  • Defense Barrier: Generates a red barrier at the start of the dungeon at random that will remain active until destroyed. The red barrier drastically reduces physical damage.

Note:

  • It is advised to focus on the one that most members of the party can deal damage to depending on their barrier, as only one must be destroyed to activate a portal to the boss.
  Iserlohn Kai - A security device on the machine's lowest floor, disabling the teleporter to the middle floor.
  • Defense Barrier: Generates a blue barrier at the start of the dungeon at random that will remain active until destroyed. The blue barrier drastically reduces magical damage.

Note:

  • It is advised to focus on the one that most members of the party can deal damage to depending on their barrier, as only one must be destroyed to activate a portal to the boss.
Iserlohn Guard Type-T - A turret that specializes in aerial bombardments.
  • Sky Beam: Fire a blast into the air which will rain straight down on a designated point. This will be marked by a thin yellow beam.
  • Beam Detonation: Fire a blast which will cause a chain explosion in a line. This will be indicated by a yellow rectangle with a sigil at its center.
  • Self-Repair: After being destroyed, they will repair themselves at 10% of their health after a short time. This can be used up to 3 times, after which the turret will remain destroyed and disappear from the map.

Note:

  • All attacks by the turret will add 2 seconds of cooldown time to a player's skills, even if a player is not hit by the attack itself due to invincibility frames, except for their Hyper Active and Master Skills.
  • It is advised to have a number of party members focus on the turrets as to not have the upper room where the boss is be filled with Beam Detonation attacks constantly increasing allies' cooldown timers.
Iserlohn Guard Type-W - A flying defensive unit that can be summoned to defend the machine.
  • Blade Shot: Fires 3 disk-shaped blasts at a nearby player.
  • Electric Pulse: Causes a small shockwave around itself, damaging nearby players.
Iserlohn Guard Type-R - A combat robot guarding the Iserlohn Core, powered by one of four elements.
  • Power Slam: Jump towards a nearby player and slams into the ground under them 3 times, launching them into the air.
  • Missile Barrage: Fires 5 missiles at players nearby.
  • Wind Barrier: Create a barrier that drastically reduces all damage taken through the use of three Element Power Sources, but the barrier will implode if all Element Power Sources are overloaded. This is only used by the combat robot in the green room.

Note:

  • Defeating the yellow or purple robot will activate a teleporter to the Iserlohn Core on the same side as the room it is in. As such, only one is required to be destroyed.
  • Defeating the green robot will deactivate the Poison Gear attack, while defeating the red robot will deactivate the Burn Gear attack.
    • Both of these are entirely optional, as neither attack bypasses invincibility frames at all.

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Obstacles
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Obstacles Image Obstacles Description

 

Portal - This portal which will take you to various points on the stage.
  Element Power Source - Three nodes which react to being hit. While active, they will grant the robot unit incredible defense. Causing all three nodes to have all their indicators lit up will instantly destroy the robot. Hitting the nodes while they are fully lit up will reset their power back to 0. A random amount of indicators will be lit up upon entering the fight.
Pitfall - A far drop to the ground, falling down these pitfalls will result in a percentage loss in HP.
Low Gravity - Against the boss, gravity is decreased, allowing for more floaty jumps.

 

Raising Platforms - The energy from the portal has disrupted the gravitational field of the area, platforms will raise up into the sky.

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Boss
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Monster Image Boss Description Boss Moves
Iserlohn Omega - The central security device, powering the gate towards the inner sections of the Colossus.
  • Intruder Alert: The device lifts into the air surrounding itself with a gear-like aura, forcing all active Iserlohn Guarder Type-T to lock on to any players in the central room with Beam Detonation as well as all active Iserlohn Guarder Type-W to swarm the central room and dash across the stage, hitting players in their path.

Note:

  • The boss room can be extremely deadly while multiple turrets are still active. When the sigils for Beam Detonation appear, try to stand still until all lock on to you, so there is more room to attack the boss for you and your allies.
    • As Hyper Active and Master Skills are not affected by the cooldown effect, they can prove helpful while waiting for your other skills, especially after being hit by a large amount of Beam Detonations.
Iserlohn Core - The core of the machine imbued with the power of the elements. Surrounded by 4 elemental nodes, colored red, green, purple and yellow.
  • EMP: Emit an electrical discharge that will knock any players nearby away.
  • Poison Gear: Shifts the green node to the right side of the core, causing a green gear-shaped aura to surround all elemental nodes, inflicting hitstun and dealing extremely high damage, while also inflicting Poison. Will only be used if the Iserlohn Guarder Type-R in the green room is alive.
  • Burn Gear: Shifts the red node to the front side of the core, causing a red gear-shaped aura to surround all elemental nodes, inflicting hitstun and dealing extremely high damage, while also inflicting Burn. Will only be used if the Iserlohn Guarder Type-R in the red room is alive.
Iserlohn Core - The core of the machine floating inside the portal's energy field, after having its elemental shielding stripped away.
  • EMP: Emit an electrical discharge which deals a hefty amount of damage and will force all skills into a 2 second cooldown. The cooldown effect will apply even if the attack itself is avoided with invincibility frames.
  • Gear Pylon: Causes gear-shaped pylons to appear randomly nearby that deal non-hitstun damage to players coming into contact with them. If two pylons are close to each other, a link will appear between them that also deals damage.
  • Energy Fall: Causes a ball of concentrated energy to fall from the sky, indicated by a red light. The ball will destroy any platforms in its way.

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Dialogue
  •   Haivan: I was just going to let you go... But I can't have you interfering with the soul fragments. Don't worry, I'll make good use of this gem.
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Image Name Boss Character Stats
 
Portable Energy Coil
Iserlohn Core
Common

Accessory (Support Unit):
+2% Adaptation.
Critical Damage +3%
3 MP Decreased per second

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Gallery
Trivia
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  • Strangely, this dungeon has also been referred to as 'Titan's Grove' multiple times in the North American server. The event quests associated with it, along with the description of the 'Titan's Grotto Key' item have both referred to the dungeon by this name.
  • The raising platforms during the boss fight are considered targetable objects by certain tracking skills, resulting in things such as [Mod] Artillery Strike Quantum Ballista and Eagle's Radar targeting the platforms.
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Updates
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Date Changes
KR NA
08/14/2019 09/11/2019
  • Titan's Grotto added.
10/10/2019 -
  • CP Requirement increased from 450000 to 470000.
11/21/2019 -
  • CP Requirement decreased from 470000 to 400000.
03/12/2020 04/08/2020
  • CP Requirement increased from 400000 to 500000.
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Alternative Names
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Server Name Translation
  South Korea 거신의 침소 Bedchamber of the Colossus
  Germany Grotte des Titanen Titan's Grotto
  Spain Gruta de los Titanes Titan's Grotto
  France Grotte du titan Titan's Grotto
  Italy Grotta dei Titani Titan's Grotto
  Poland Grota Tytana Titan's Grotto
  Brazil Gruta do Titã Titan's Grotto
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