Artificer: Chunked!

 is a challenge in Risk of Rain 2. It is completed as by fully defeating a Teleporter Boss in a one-second burst of damage. This hidden timer begins when you first hit the boss, not when it is spawned.

Tips

 * One way of getting this challenge would be to get the from the Timed Security Chest while getting damage items such as,  and . With these items a synchronized Preon and Charged Nano-Bomb attack would easily kill a single boss-enemy in an instant. This challenge becomes nearly impossible with this setup when multiple boss-enemies spawn. Playing on Drizzle allows single-enemy bosses to spawn for more stages. If too much time passes and multiple enemy bosses start spawning it would probably be easier to just start another run.
 * Another viable option is to start the run on Drizzle and use the to stack several  (at least 5), plus a few  the first and second stage and repeatedly reset until the first boss drops a boss item from which you choose . Then during the second teleporter event allow the boss to hit you until Genesis Loop procs and it should instantly kill the boss. One benefit of this method is you do not need to spend Lunar Coins, though getting a boss item on stage one is inconsistent.
 * Similarly, instead of a boss item, using both the and, it is possible to "chunk" the first boss if you continually choose . Upon activating the teleporter, as long as you have at least 4 crowbars (on drizzle, other difficulties will need more) a single fully charged Charged Nano-Bomb will one-shot the boss.
 * A good lunar-based way of completing this challenge is to use the and grab the . Afterwards, all white-rarity items get turned into  and all green-rarity items get turned into . The  buffs as well as a fully Charged Nano-Bomb should easily demolish the boss.