Gunfire Reborn - Sniper Tiger Priority (Nightmare)
Forego all defensive ascensions and focus on dealing critical damage. Using Fatal Current all the time and chaining kills is essential. Remember that Fatal Current has a short cooldown. Bloody Drill and Crit Gemini with Strike Wing is all you need.
Credit to https://gunfirereborn.fandom.com/wiki/Lei_Luo for the images.
