Engineer: 100% Calculated

Engineer: 100% Calculated
As Engineer, defeat the teleporter boss in less than 5 seconds after it spawns.
Unlock	Spider Mines

Engineer: 100% Calculated is a challenge in Risk of Rain 2. It is completed as EngineerEngineerThe Engineer is a unique class that requires planning and positioning to be successful.
Class: Ranged
HP: 130 (+39 per level)
Damage: 14 (+2.8 per level)
Armor: 0
Umbra: Fortification Expert by defeating the Teleporter Boss in less than 5 seconds after it spawns.

Tips

The use of Survivors of the Void - DLC Content
Trophy Hunter's Tricorn is part of the Survivors of the Void DLC. It is only available if the DLC is enabled when starting a run.
Click for more info. Trophy's Hunter's Tricorn0sSurvivors of the Void - DLC Content
This content is part of the Survivors of the Void DLC. It is only available if the DLC is enabled when starting a run.
Click for more info.Trophy Hunter's Tricorn
Execute a large monster and claim its trophy. Consumed on use.
Execute any enemy capable of spawning a unique reward, and it will drop that item. Equipment is consumed on use. makes this challenge trivial by killing the Teleporter Boss in a single hit.

The challenge can be difficult to achieve without planning ahead (unsurprisingly). The following can make it easier to achieve:

• Using a Preon Accumulator140sPreon Accumulator
  Fire a ball of energy that electrocutes nearby enemies before detonating.
  Fires preon tendrils, zapping enemies within 35m for up to 600% damage/second. On contact, detonate in an enormous 20m explosion for 4000% damage. with a lot of on-hit items is a good way to reach enough burst damage to complete this challenge.
• Using burst items like Royal Capacitor20sRoyal Capacitor
  Call down a lightning strike on a targeted monster.
  Call down a lightning strike on a targeted monster, dealing 3000% damage and stunning nearby monsters. or Disposable Missile Launcher45sDisposable Missile Launcher
  Fire a swarm of missiles.
  Fire a swarm of 12 missiles that deal 12x300% damage. in combination with plenty of Fuel CellsFuel Cell
  Hold an additional equipment charge. Reduce equipment cooldown.
  Hold an additional equipment charge (+1 per stack). Reduce equipment cooldown by 15% (+15% per stack). and CrowbarsCrowbar
  Deal bonus damage to enemies above 90% health.
  Deal +75% (+75% per stack) damage to enemies above 90% health. or Armor-Piercing RoundsArmor-Piercing Rounds
  Deal extra damage to bosses.
  Deal an additional 20% damage (+20% per stack) to bosses..
• Using the Artifact of Glass and teaming up with a high damage character such as ArtificerArtificerThe Artificer is a high burst damage survivor who excels in fighting large groups and bosses alike.
  Class: Ranged
  HP: 110 (+33 per level)
  Damage: 12 (+2.4 per level)
  Armor: 0
  Umbra: Herald of the House Beyond and/or LoaderLoaderThe Loader is a slow but powerful bruiser that can use her grappling hook to uniquely navigate the environment.
  Class: Melee
  HP: 160 (+48 per level)
  Damage: 12 (+2.4 per level)
  Armor: 20
  Umbra: Bionic Powerhouse.