Reaper by Da Huuuuuudge

None Were Spared [D]
Minions and Mercenaries provide you half the Healing of The Reaping. Also, Regeneration Globes provide stacks of The Reaping.

Off the List [Passive]
Quest: Reaper's first Takedown against each enemy Hero increases his damage against remaining heroes by 2%. All stacks are lost on death.
Reward: After getting a takedown against every enemy Hero, damage dealt is permanently increased by 10% and the checklist is reset. This quest can be repeated indefinitely.
(Note: Temporary Damage bonus does not amplify permanent damage bonus. Unclaimed targets are marked.)

Cover of Dark [W]
Teleporting from one brush to another will have no mana cost, produce less sound and will reduce the cooldown of Shadow Step to 6 seconds.

Rigor Mortis [D]
Being Stunned, Rooted or Slowed grants you 10 Physical Armor, plus 5 Physical Armor for each Stack of Reaping you carry.

Falling Apart [Q/W]
Gain Evasion for 1.5 seconds after leaving Wraith Form or Shadow Step.

Sickle Slash [E]
R.I.P. cleaves in an area around the target, and lowers the damage output of enemies hit by 30%.

Heavy Slugs [Passive]
Gain 1.1 Attack Range and deal full damage at any range. However, Attack Speed is decreased by 15%.

Glimpse The Truth [Q]
Enemies you contact while in Wraith Form will be Silenced for 2 seconds. This can occur once per Hero per cast.

Assault The Wound [E]
Basic Attacks against targets suffering from Crowd Control or Heal Block refresh the duration of R.I.P. by 0.5 seconds.

Shadow of Hate [Q]
Become increasingly less visible the longer Wraith Form lasts.

In and Out [W]
Shadow Step takes 1.5 seconds to teleport, but you can move, attack and enter Wraith Form while it channels.

Reaper-sitioning [W]
Increase range by 20%. No longer requires line of sight so long as you have vision.

Undying Hate [D]
Instead of dying enter an Unkillable state for 2 seconds, plus 1 second for each stack of Reaping you carry, then die. Collecting Soul Globes while in this state will refund the duration by 1 second. Cannot receive Healing while in this state.

This Is My Curse [Passive]
Instead of a death timer, collapse into a wisp of smoke after dying. This wisp will slowly make its way back to the Hall of Storms. After reaching the Hall, you respawn after 2 seconds.
(Note: In side areas like Haunted Mines you will instead spawn at the last entrance you passed through to the side area)

Killing Spree [Passive]
Repeatable Quest: Every Heroic Takedown increases your Attack Speed by 5%, up to 50%. This bonus is lost on Death, but your Death Timer will be reduced by a percentage equal to the Attack Speed bonus.

No One Left Behind [R1]
Every Takedown earned during Death Blossom refreshes the duration by 2 seconds and grants 1 second of Unstoppable.

Singe the Soul [R2]
Hellfire Mark is replaced with a burn that deals ? damage over 2 seconds. Damaging targets effected by the mark will reset the duration of the burn.

Finish Off [Passive]
Basic Attacks deal bonus damage to enemy Heroes equal to 1% of their total Hp, plus an additional 1% for every 25% of the targets Total Hp that is missing. Bonus Damage does not effect Self Heal.

Biotic Parasite [E]
Steal a portion of the Healing Lost when within 3 meters of targets effected by R.I.P.