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The final antagonist ofEndless Dungeoncan throw a lot at you: enemy waves that combine all four monster types, focused attacks that can nearly one-shot heroes, and the ability to draw the dust out of a room and disable all your turrets. Similar to the Shelldiver boss fight, part of the fight takes place with your crystal in the open and vulnerable, so you need to be on your toes.
Defeating Eriaudy is a challenge that is best tackled over several runs, first setting up the right conditions for a fair battle and then going in with the team of characters you are most confident in and the right selection of turrets to leverage their weaknesses.
Meta-Progression: Collect As Many Core Keys As You Can
If you reach the core sector on your first playthrough, you’ll encounter additional challenges for not thoroughly exploring the station. The following three Core Defences will be applied throughout the sector:
The crypto keys for disabling these core defenses can be found inrandom chests on the upper floors. Once a key has been found, that core defense will be disabled on all future playthroughs.
All three of these statuses at once would make a normal floor near impossible, and the boss fight is no different. You don’t need to play the game dozens of times and collect all three keys to win.Each of these effects can be countered differently:
Strategy To Counter It
Debuff to Hero Damage
Keep a strong defense in phase onethat prevents enemies from getting that close to the crystal. Saturating the turret nodes in each surrounding room should ensure no enemies reach your crystal.
Use upgrades that provide buffs within the crystal room: Blinding Brilliance is a chip that debuffs the defense of monsters in the same room, whileMulti-faceted friendsincrease the damage of heroes in the crystal room. These together offset the reduction in your damage.
Reduction In Resources Gained
Playing frugally on the early floorscan allow you to complete the core without needing additional resources.Enter the core with about 200 points of industryso that, even without any production while traveling through the area, you will still have enough to protect your crystal and defeat Eriaudy.
Certain characters are also stronger at stockpiling resources:Comrade’s Weapons of Mass Productionchip gives apassive boost to industry income, andShroom’s skillsetof healing abilities reduces your reliance on food for producing medkits.
Turrets Receive Damage over Time
Don’t build turrets in positions where you cannot move to repair them quickly.The damage will take about a minute to destroy most turrets,but less for fragile ones such as acid sharpshooters.
A diagnosticator can repair all turrets in a room when shoved. Concentrate your defenses on a choke point and have one of these support turrets in an easy-to-reach position.
Preparation: Strong Turrets And Strong Heroes
Collect upgrades to aid you in the final boss as you progress through the previous three floors.Eriaudy is a blur-type monster, so light-based weapons and turrets will deal bonus damage.
As a result,begin in the headquarters sector: This is the only starting zone that contains blurs; therefore, you can pick up light weapons and turrets without compromising the defense of your crystal.
The Light Blinder turret is an especially strong tool against Eriaudy, asit deals tremendous damage but has a very short range before its third upgrade.
Any team of heroes can defeat eriaudy, so the best approach is to usethe ones you have the greatest amount of quest completion on: The additional chip slot upgrades and mastery of their toolkits outweigh most differences in balance between the cast. That said, certain characters have situational advantages in fighting Eriaudy:
Eriaudy Phase One
The first phase of the Eriaudy fight is spaced out over the second zone of the core floor.You will begin with a crystal room with no turret sockets and five doors leading off from it.If you explore in a single direction from this starting chamber, you will encounter some monster spawning rooms and eventually a dead end containing Eriaudy, who will attack you.
Certain aspects of themap generation for this level are fixed, and you’re able to take advantage of them:
Before this,set up your defensive turrets in the first room outside the crystal chamber. You want to be able to swiftly alternate between the defensive positions in each of the offshoot passages of the crystal room.
Eriaudy’s attack pattern focuses on a single hero at a timeand is composed of two parts:A dark cloudthat chases after the hero and stunning them after flashing several times, anda melee attackthat calls down a pillar of fire.
The melee attack alsosets the target on fire, dealing lingering damage. A character without defensive boosts can survive one hit from this attack before risking death.
If you’re on single-player, you shouldswap between heroes once you identify who is being targeted, although most of the time, it will be the character you are playing. It is normally possible to evade both parts of the attack while running in a straight line. A fast character can run in circles, even.
Focus on having that character evade attacks while allowing other heroes and turrets to deal damage.In multiplayer, be sure to signal if you are the one being attacked so that other players can focus on clearing waves or dealing damage to Eriaudy.
If you can’t outrun one of Eriaudy’s attacks or have been forced too far from your other defenses,teleporting to your crystal is faster than the full windup for Eriaudyto approach and melee attack your hero. As a result, running and fighting away from your crystal allows you to use the teleport as a way of dodging attacks you don’t have the movement to avoid.
Another way of evading Eriaudy’s attacks is to bait out the melee attack. When their arm is glowing red, step forward in front of them and then step back when they start to swing it down.They cannot move for a moment after, allowing you to counterattack.Aim to perform this move while close to a short-range turret such as a Light Blinder or EMP.
When Eriaudy takes a certain threshold of damage, they will teleport away, draining all the dust from the room and disabling your turrets in the room where the fight happened. You can counter this by spending dust to light the room again or leading Eriaudy to a room with no turrets during the fight.
After teleporting away,waves of monsters will attack from all spawners,followed by another attack from Eriaudy. After taking enough damage, they will retreat and wait for you in another one of the dead-end corridors.
Long-range turrets such as acid snipers can fire through doorways to attack enemies in another room. This allows you tofight Eriaudy in a room adjacent to your turret nest and not worry about them disabling the turrets when teleporting away.
This fight repeats three times, with the main factor impacting difficulty being the growing number of enemy spawners and the taxes on dust when a room loses power. Eriaudy will use the dust-draining attack more often as the fight progresses. If you have a large war chest of both industry and dust to spend on the fight, you should be able to reliably hold out.
After defeating Eriaudy for the third time, they will teleport away with only a sliver of their health remaining.The zone door can be unsealed by your crystal botand leads into alarge boss chamber with four monster spawners in the room’s corners and an array of buildable turret slots around the crystal socket.
Eriaudy Phase Two
The fight begins the moment your crystal bot is socketed into the room.Running in ahead of it gives you time to start building turrets.This room consistently spawns with eight hardpoints to ensure enough industry remains after the previous phase.
This phase is more straightforward than the previous: Eriaudy will now attack continuously, using a similar pattern to before. The following differences are worth remembering:
Run away when being chased andteleport to your crystal when you are unable to evade an attack. Take advantage of the fact that your turrets won’t have their dust drained, and the large chamber has long sight lines: Long-range turrets such as phosphor or acid sharpshooters can contribute to both wave defense and attack Eriaudy regardless of their position.
The earlier technique of baiting out Eriaudy’s melee attack will work in this phase, but remember that their larger size grants an increased reach, and the falling rocks can make dodging less predictable.
Enemies will start spawning from the room’s four cornersafter you’ve dealt one-third of Eriaudy’s health. Eriaudy telegraphs this by raising one limb into the air before disappearing. This doesn’t differ greatly from the monster waves in the previous phase, except that it takes place in a single large open room.
Remember: Support characters like Sweeper and Comrade should be sitting on turrets whenever possible to maximize their power and negate attrition, whiledamage-focused characters like Blaze should focus on clearing waves too dense for the turretsand otherwise focusing on damaging the boss.
In single-player, you shouldselect a support character to control directly,as theAI is not able to repair turrets.
Several cycles of this combat pattern will run through Eriaudy’s second health bar far quicker than the first: The entire phase takes place at once instead of spaced out over the exploration of a zone. When this second health bar is depleted,all non-boss enemies in the room, along with Eriaudy, are automatically defeated.
you may now safely escort the Crystal Bot towards the station’s reactor.
