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

Finesse
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 Finesse sits on the 1.0 tree
In the Warrior area. The cheapest way in from a starting point buys 3 nodes for 3 points, this one included (one rank each).
Builds that use Finesse
1 preset build tagged FINESSE — defining picks first, then ranked by tier (S → A → B).
Related Warrior skills
Same archetype — likely candidates to slot next to Finesse 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
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 and effects.