Frostreaper
Obliterate deals 10% increased damage and has a chance to tether the souls of its target and a nearby enemy to yours. Frost Strike severs the tethers, dealing (411.8% of Attack Power) Shadowfrost damage to both foes.
Tree position
In the Frost Death Knight talent tree, Frostreaper sits in the Frost specialization talents, row 5 of 11. It is a single-point node. Its row opens once 8 points are spent in Frost Talents.
Connected above
The tree draws a line into Frostreaper from Runic Overflow, Arctic Assault and Frostbound Will.

Arctic AssaultConsuming Killing Machine fires a Glacial Advance through your target at 60% effectiveness.
Frostbound WillConsuming Rime reduces the cooldown of Empower Rune Weapon by 6 sec.
Connected below
Frostreaper leads on to Murderous Efficiency.
Murderous EfficiencyConsuming the Killing Machine effect has a 20% chance to grant you 1 Rune.
Same row
Also on this row: Inexorable Assault, Pillar of Frost, Icy Onslaught and Gathering Storm.
Inexorable AssaultObliterate and Frostscythe consume up to 3 stacks, dealing an additional (26.3% of Attack Power) Frost damage for each stack consumed.
Pillar of FrostThe power of frost increases your Strength by 20% for 12 sec.
Icy OnslaughtFrost Strike and Glacial Advance now cause your next Frost Strike and Glacial Advance to deal 15% increased damage and cost 5 more Runic Power. This effect stacks until the next Runic Empowerment.

Talent trees
Frostreaper is in the talent tree of 3 specializations. Death Knight: Blood (Tank), Frost (DPS), Unholy (DPS).
Frostreaper Changes by patch
Tracked changes to this talent between game data builds, newest first.
- First tracked in the game data (patch 12.1.0)