Freezing Slammer Railmaster Cold Heart Build (Torchlight 3 Early Access)

Freezing Slammer

This build is a complete lvl 60 setup and is UP-TO-DATE with the new relic subclass rework. The subclass used is Cold Heart. I consider the build as underpowered and far from META. It can dish out decent damage when we are buffed up & our energy is full and that damage is mostly from Slammer Skills. Once some bugs  get fixed and hopefully Frost Skin also gets a massive cooldown decrease, this build (in the way I’ve synergized it) will stop being uderpowered and be a very nice setup to play. A great source of damage is the combination of Blasting Charge to apply vulnerability + the Tier 2 Lantern Flash passive to get a total of +95% dmg (30% vulnerability + 65% dmg vs Slowed) vs enemies that are vulnerable and slowed at the same time. To make things better we get another +25% Damage Buff and pretty decent DPS from Snowstorm (sadly currently with a bugged T3 bonus so no real 100% crit chance vs frozen). Spike Drive + Pound can be used to do nice damage and Hammer Spin can refill Pound and Blasting Charge‘s charges. Adding to this the dps of Snowstrom + the DPS of Cold Front + Ice Shield‘s DPS and the damage piles up. Ice Shield also gives us a buff that lets us ignore fully the next 3 sources of damage every 20 seconds. Combine it with Frost Skin that lets us ignore fully the damage received from 1 source of damage every 35 seconds (this is the cooldown that needs to be lowered A LOT) + Fighter’s Spirit (+50% dmg reduction after using a melee skill/attack) and we get some nice survivability. To make things extra spicy we cast a Frost Nova every time Frost Skin breaks via Breaking Point. Hammer Spin is also our escape mechanic and mobility skill and can hit enemies to proc Fighter’s Spirit + it gives us (at Tier 3) a +50% dmg reduction buff for 6sec. Skittering Shoulders (even without a set bonus) is a great source of survivability so it could be used instead of the Arc-Powered shoulders if you would rater get more dmg reduction and you’re not wearing the Cosmic Shoulders either.

Build Video footage:

The skills I use:

  • Pound – a good source of damage + the Tier 1 bonus gives it stun chance which helps with getting the bonus dmg from Lantern Flash Tier 2. Pound Tier 2 gives all our Slammer skills +20% dmg as well.
  • Spike Drive – good damage + applies a 6 sec. slow so you can do even more damage
  • Lantern Flash – burns + blinds for 1 sec so you can do more dmg + has an amazing Tier 2 passive bonus
  • Hammer Spin – our escape mechanic and a movement skill. We also get 50% movement speed on Tier 1 for 6 sec. & on Tier 3 we get 50% dmg reduction buff for 6 sec after using it
  • Blasting Charge – applies Vulnerability to the enemies to make them take more damage. Also does okay damage, especially when you have a Blast Breaker in the Legendarium so it won’t use up your endurance. The Tier 2 gives us 20% dmg reduction in melee.
  • Ice Shield – it’s amazing and blocks the next 3 sources of damage + does dmg by shooting icicles around us. It’s amazing combined with a high Block Chance & a high Evasion. This one’s on a cooldown and does not cost Energy.
  • Snowstorm – It’s a great bit of Extra DPS to nearby enemies as well as a +25% dmg buff + gives us chance to freeze + Tier 3 allows us to always critically hit frozen enemies (bugged right now).
  • Cold Front – Our BIG relic skill that we can activate after spending a total of 200 energy with other skills like Snowstorm. It’s good to save and use this on champions & bosses.

The gear I recommend using is:


  • A well rolled socketed blue 2-handed weapon.
  • OR a 1-handed setup with good rolled + socketed 1 handed Blue weapon + a good rolled & socketed blue Shield or Focus. (You could wear Blast Breaker if no better DPS Blue 1handed is available)
  • Must wear at least 3 Cosmic pieces! I suggest wearing either 3 of those:
    Cosmic Helm, Gauntlets, Boots, Pauldrons + optionally wear the Breastplate [if not slotting it in the Legendarium]:

    • Cosmic Helm gives +1 Conductor  Skills (+2 with the 3 piece set bonus) [I’ve tested it and it won’t give you extra levels if the skill is already lvl 10 so go for lvl 9 if you have +1 or 8 if you have +2 to those skills]
    • Cosmic Gloves – Use any Train Car active skill: next melee attack within 5 sec. causes a Flame Burst, dealing 80% Weapon Damage (Flame Burst is caused on an additional attack)
    • Cosmic Boots – Hit with Basic Attack: gain a Seismic Charge. If already at 10 charges, consume them to send a shockwave, dealing 400% Weapon Damage (gains two charges pet hit with the 3 piece set bonus)
    • Cosmic Pauldrons – when you cast Cold Front (default relic skill): spawns an Enchanted Railhammer (a floating railhammer that follows you around and attacks enemies)
    • Cosmic Chest gives +1 Slammer Skills (+2 with the 3 piece set bonus) [I’ve tested it and it won’t give you extra levels if the skill is already lvl 10 so go for lvl 9 if you have +1 or 8 if you have +2 to those skills]

If you ‘slot in’ the Cosmic Breastplate, you can get a good stat boost from a well-rolled + socketed Blue Chest.

You’ll be looking for flat dmg, optionally % elemental dmg and/or Crit dmg/chance, +%Evasion +%Block Chance & or +% Spike Drive DMG, +% Pound DMG, +% Slammer DMG + others.

  • Blue Legs  and Chest rolled for flat dmg + % elemental dmg or Crit dmg with a socket
  • Optionally: Blue Boots rolled for % dmg (if stacking the same element across your gear) and/or Crit dmg with socket.

Blue Gear only gets 1 socket now.

Suggested Legendarium Powers (to fill in the gaps from items you’re wearing):


  • Cosmic Breastplate (Chest)
  • Berserk CrusherSpike Drive & Pound gain an additional Charge
  • Centrifugal DemolisherHammer Spin deals 25% more dmg, gains 1 more charge, and has a 25% lower cooldown.

Based on your preference there are alternatives:

  • Option 1: Blast Breaker
  • Option 2Battery Ram – Cast any Cooldown skill: gain a Shock Charge (stacks up to 3 times) Cast Pound: spend a Shock Charge to create an electrical shockwave, dealing Pound‘s Weapon Damage
  • Option 3: Arc-Powered Shoulders (a great choice when not using the Cosmic ones) – Cast Cold Front: become Charged Up for 15 sec., gaining 30% Movement Speed and dealing 100% Weapon Damage to nearby enemies on hit
    Or anything else you like (i.e. Skittering Shoulders if you need survivability)

The recommended stats to look for in your items are (the list is not in order of priority and is just listing good bonuses + there’s new stats and I might have missed some which will get added later):

  • + Flat Damage (any)
  • +% elemental dmg (any) – starts getting very good later on when you have a nice flat to boost with this if you match the flat with the %
  • +% Damage to Slammer skills
  • +% Damage to Spike Drive and/or Pound
  • +% Damage to Snowstorm, Cold Front (I’d focus on one of those if going for relic dmg stacking)
  • + Health
  • + Defense (the non elemental is good for any act but lesser numbers than elemental)
  • +% Critical Hit Chance (the cap is 40% but some skills will be able to get it past the cap)
  • +% Critical Damage (the cap is 300%)
  • +% Gear Luck (eventually try to get like 50-75% total for good drop quantity – the cap is 100%)
  • +% Energy Recharge Rate
  • -% Relic Energy cost
  • +% Block Chance (capped at 40%)
  • +% Chance to Evade damage (capped at 40%)
  • +% Endurance Regen
  • +% Chance to Chill – a decent CC proc
  • +% Chance to Poison is a decent DoT and stacks with other DoTs
  • +% Chance to Bleed and/or Burn to stack the poison with the other DoTs.
  • +% Chance to Stun/Slow/Blindamazing and important choice! I suggest to get this as chance to Slow on Shield/Focus if using 1 Handed or on your weapon if using 2 handed in order to get the +65% dmg vs slowed bonus more often. Keep in mind we’ve got Pound to Stun, Spike Drive to Slow, and Lantern Flash to blind as well.
  • +% Chance to Shock – a decent proc but not really needed for this build
  • +% Additional Bolts Fired on Shock – a decent proc but not really needed for this build

The Skills and Passives I recommend are:

IMPORTANT: Keep in mind that my setup is WITH the +2 Conductor & +2 Slammer skill levels from the Cosmic Set Helm + Breastplate (Chest)! If you need another extra +1 or +2 Skill Points you can try getting a Helmet that grants +1 to a skill (or two skills) that you’ve invested more than a single point into. I did not use such a Helmet to avoid confusing you.

REGULAR VERSION (Complete version of the one used in the video):

lvl 3 Ice Shield + lvl 4 Blasting Charge + lvl 5 Breaking Point


lvl 6 Ice Shield + lvl 1 Blasting Charge + lvl 5 Breaking Point


lvl 10 Ice Shield + lvl 1 Blasting Charge + lvl 1 Breaking Point


lvl 3 Ice Shield + lvl 1 Blasting Charge + lvl 4 Breaking Point + lvl 4 Flamethrower Car This one will require the Comsic Helm for +2 Conductor skill lvls.


lvl 3 Ice Shield + lvl 1 Blasting Charge + lvl 4 Breaking Point + lvl 4 Mortar Car This one will require the Comsic Helm for +2 Conductor skill lvls.

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