Torso - Zarkares (Wendigo if you must)
Legs - Scorching Feet or Devouring Paws
Weapons - My suggested loadout for f2p is CL, Terror Cry, Supreme Cannon and Savagery OR Desolation. I don’t recommend using the Dawnblaze.
Drone - Clash if desolation equipped; nemo if savagery.
Special - Teleport and Hook, Charge is optional-ish.
Modules - 2 engines of each type, 2 HP plates, one booster of each type.
If you have prem weapons, things can change quite a bit. The range 1-2 and 2-4 weapons are extremely useful, since any heat F2P layout is weak at that range. Magma Blast and Abomination (in my opinion) tie for best; Reckoning is a close second, followed by Crimson Rapture. Terror Blade is ok, Heronmark isn’t very good, and neither is Sorrow. Flaming Scope is only good if you have nothing else to fill the spot/weight. If you run with the Magma Blast, consider trying out the Vandal Rage as well for extra cooling damage - add the Murmur drone for an awesome electrician-killing combo. The Reckoning is mainly used for damage, not heating; Crimson Rapture works well for mass heaters, but make sure you have good energy stats.