Mesets

Type: Chrysalid and complete mutations
Chapters: Jake 2 (2-1 Mountain Path: 2 chrysalids by the bridge, more while you hunt the memory devices, and a corpse that transforms when you take FOS C) and Chris 4 (a J'avo near the deck gate)

Weak point

Anywhere; very vulnerable to flash grenades

Tactic

A bird. It circles and dives at you: the dive can't be countered, so shoot it first. A talon slash and a grab: it carries you up and drops you (medium damage; on higher difficulties it's a QTE, and failing it throws you into the drop). Wait for the snowstorm to clear and shoot it when it lands or hovers (Jake's 909, Sherry's Triple Shot). A flash grenade kills several at once. Fight on the rope bridge or inside a cabin. In Chris Chapter 4 the grenade launcher brings it down fast.

Drops

Rook (Bronze): 500 SP

The easiest mutation to kill, per one source. Mercenaries: Liquid Fire. Playable in Agent Hunt.