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

Relentless
The pre-1.0 wiki text for this skill gives numbers the 1.0 files changed, so it is not shown; the 1.0 values are above.
Where Relentless sits on the 1.0 tree
In the Warrior area. The cheapest way in from a starting point buys 6 nodes for 10 points, this one included (one rank each).
- 1Strength1p
- 2Barbarian's Path1p
- 3Constitution1p
- 4Strength1p
- 5Titan Edge1p
- 6Relentless5p
Linked toBruteTitan EdgeBlood Rage
Builds that use Relentless
2 preset builds tagged RELENTLESS — defining picks first, then ranked by tier (S → A → B).
- Berserker BarbarianWarrior
Greatsword melee: Titan Edge and Slasher at full rank for its cutting damage, Veteran for crits, Blood Rage after kills, Relentless for crit chains, Whirlwind Crescendo and the two-handed special ability.
- Endgame MetaHybrid
Every one of the 212 points: two-handed Warrior (Barbarian's Path for the axe, Titan Edge for the greatsword, Slasher, Veteran, Relentless, Whirlwind Crescendo) in Heavy and Shiny Plates, Thunder and Wand Mastery for a shock wand, Blink, and the full Healer line. Pyromaniac is not on the 1.0 tree.
Related Warrior skills
Same archetype — likely candidates to slot next to Relentless in a build.
Absorb1pValues in the 1.0 files: 4% per rank, 3 ranks.
Constitution1pIncreases your Constitution attribute by 1 Increases Health by 50 per Attribute Point
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
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 and effects.