Partly updated for Enshrouded 1.0— 1.0: the unlock cost; the rest is pre-1.0 wiki data

Constitution
Increases your Constitution attribute by 1 Increases Health by 50 per Attribute Point
Builds that use Constitution
6 preset builds tagged ATTR_CONS — defining picks first, then ranked by tier (S → A → B).
- Starter — First 10 LevelsHybrid
What to buy before you pick a class: one cheap node from each side — Counterstrike, Fire Resistance, Brute, Marksman — plus Well Rested. Fits in the points level 10 gives.
- Solo Adventurer HybridHybrid
A bit of everything for playing alone: Marksman and Skill Shot for the bow, Battle Heal and Warrior's Path for melee, Healer, Counterstrike and Fire Resistance, Runner and Saviour.
- One-Handed WarriorWarrior
One-handed melee for damage: Warrior's Path and Slasher at full rank, Swift Blades and One-Handed Specialization, Power Parry and Heavy Handed to overpower, Merciless Attack, Opportunity and Breach to punish it, and Veteran with Battle Heal to heal on crits.
- Radiant PaladinHybrid
One-handed sword and shield with fire around you: Radiant Aura and Counterstrike at full rank, Arsonist for a fire sword, Battle Heal to heal on melee crits (Veteran makes them more likely), Heavy Plates for armor, and Water Aura with Waters of Life for allies.
- Sword & Board TankWarrior
Parry and hold: Vigorous Deflection for stamina on a parry, Heavy and Shiny Plates for armor, Warden and Tower when you are surrounded, Earth Aura for the group.
- Battlemage HybridHybrid
Half Warrior, half Mage: Warrior's Path, Slasher and Heavy Plates for the one-handed sword, Thunder at full rank with Mage Apprentice and Wizard for the shock wand, Battle Heal to sustain.
Related Warrior skills
Same archetype — likely candidates to slot next to Constitution in a build.
Absorb1pValues in the 1.0 files: 4% per rank, 3 ranks.
Finesse1pValues in the 1.0 files: 15% per rank, 3 ranks.
Heavy Handed1pAn enemy's stun bar is increased by an additional 20% when attacking into their block with a melee weapon.
Heavy Plates1pValues in the 1.0 files: 4% per rank, 3 ranks.
Purification1pAfter defeating a Shroud infested foe with a melee weapon you replenish +5 seconds of Shroud Time. Shroud Time Should this time run out, the Shroud will consume you.
Shiny Plates1pValues in the 1.0 files: 4% per rank, 3 ranks.
Strength1pIncreases your Strength attribute by 1 Increases Melee damage by 5% per Attribute Point
The Warrior's Path1pWhen attacking with a melee weapon all damage is increased by 10%.
Sources: game files 1.0 + Keen Games 1.0 patch notes (changelog, combat changes) for the unlock cost; enshrouded.wiki.gg (pre-1.0) for the description, effects and tree position.