Kenpari

Currently, the serial killer perk's description states that, when killing a human, a heart will always be harvested from them if they weren't hostile or didn't fight back. However, I've tested this many times with stealth kills, both from range and melee, and have never gotten a single heart from an instant kill on an unaware human. I've only tested it against hostiles, not innocent people, but according to the description, that should work as long as they don't fight back.

The Stalker perk, as currently described: "You gain increased sneak attack damage against hostiles that are investigating you, a distraction device, or a corpse you've left behind. +200% Sneak Attack Damage" Currently, it seems that the extra sneak attack damage only applies when an enemy is investigating you (the first condition). The damage bonus does not apply when investigating a distraction device or corpse. When investigating a distraction device or body, the enemy does not have the purple stalker icon above their heads, indicating that it's not activating anyway. Regardless, the below numbers were a test conducted on one singular enemy, reloading between tests and the shot conducted from the same place, with the same weapon, so as to minimize interference from other sources. Stalker Perk, Enemy Not Investigating Anything: 424 Stalker Perk, Enemy Investigating Distraction Device: 424 Stalker Perk, Enemy Investigating Body: 424 (shot was taken as soon as the enemy started moving towards the body after noticing it) Stalker Perk, Enemy Investigating Player: 706