>>717481271 (OP)
>death
just play and practice the game for a good while:
Go to each individual level, plan a really good effective route based on the gear you will have unlocked at that point. Explore all the possibilities in your favor, weapons like Revenant can pierce across a fuckton of walls for instance, you can break philacteries from almost anywhere, or outright skip many of the challenges in the level filled with traps by just shooting the explosives and shit across walls.
>Le Sniper
dont know honestly, never tried it