The Demon Lord is the boss of the Alchemical Laboratory and the first boss encountered in Dungeon Defenders.

Appearance

The Demon Lord appears as a flying demon who wields two swords, one in each hand. He's a very tall Devil like demon with horns and demonic wings. He bears a suit of armor that appears to have spaulders, bracers, and greaves all integrated. A distinct feature of the Demon Lord are the three horns on his chin.

The Demon Lord closely resembles Kil'Jaeden from the Warcraft game series.

Combat

The Demon Lord's combat abilities are mainly anti-tower related. His moves include summoning a line of fire that originates from beneath him and persists for ~5 seconds, dealing damage over time, which is deadly for stationary towers. He also has a special attack, which can only target towers. It has a very long swing timer, but deals massive amounts of damage to the target, effectively one-shotting it.

The Demon Lord's basic melee attack combo--two separate slashes with his two weapons, followed by a third dual slash--is deadly to any hero and should be avoided at all cost.

Finally, the Demon Lord can take to the air, flying around the crystal, bombarding towers and players alike with slow-moving fireballs.

The Tesla Coils

As seen during the boss's intro-cutscene, the four Tesla coils can now be activated; they can be charged up by attacking them (via weapons, pets or towers). Once all four coils are fully charged from taking enough damage, they will unleash an electric current to damage and immobilize the Demon Lord for a prolong period of time.

Strategy

Try to keep behind the Demon Lord at all costs, as his basic melee attack combo is a sweeping attack, and will damage any players in front of the Demon Lord. The fight should be treated as a damage race, as monsters are continuously spawning from all sides, and the Demon Lord will personally damage/destroy any Squire or Apprentice towers or any other physical defenses.

By this wave, your defenses should be self-sufficient, and can be safely ignored for the majority of the fight. However, on harder difficulties, it's advised to check on the defenses' status in the later portion of the fight. The hero with the highest casting speed should do this, preferably right after the boss has just recovered from being stunned by the Tesla Coil combo. If your defense does give way at some point, shift all attention to the leak and rebuild the defenses as quickly as possible.

Finally, if at all possible, place a healing aura and a strength drain aura (or two pairs) down in the center, as this will negate a lot of the Demon Lord's damage and keep your heroes in the fight.

The moment the four Tesla coils become attack-able (a large blue bar will pop up indicating its health when this occurs), split up and take them down ASAP. While on harder difficulties the damage this causes is minimal, it will spare the heroes and their defenses from the Demon Lord's attacks for ~8 seconds, effectively buying more time. Once the Tesla combo has been triggered, they enter into a cooldown mode for ~30 seconds, and are unable to be attacked. One Huntress strategy is to place down Proximity Mines at the coils and set them of as you walk around the small area around the crystal.

Rewards

When the Demon Lord is defeated, all players will receive a class-specific weapon and an armor item. The weapon will be poison-based. 

Notes

  • Towers will not directly attack any Tesla coils, even if that is their only target in range/field of view. However, towers can still damage Tesla coils, via splash/piercing damage meant for another target.
  • Pets can both target and damage Tesla coils, and will even do so while the starting cinematic is being played.
  • The Tesla coils will not take any physical/fire damage from the Demon Lord himself.
  • The Demon Lord has 14 million HP when playing Nightmare Solo.
  • He can activate traps. so you can put traps where he spawns and at the Tesla Coils so right when the cutscene ends the Tesla Coils are destroyed.

Video

PC_Dungeon_Defenders_-_Demon_Lord_Hard


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