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Official gameplay notes, connected to the heroes and items you play.
Patch notes
3949 recordsRequires Vitality Booster (1000), Shawl (450), Crown (450), and a recipe (700). Total cost: 2600g
Provides +15% Magic Resistance, +250 Health, and +6 All Attributes
Passive: Hallowed. Gain a stack every 3s, up to a maximum of 3 stacks. Whenever the wearer takes damage from a player-controlled unit or Roshan, all stacks are removed to create an all-damage barrier for 7s that absorbs 120 damage per removed stack (up to 360). If the wearer reached a max amount of stacks at least once in a game, regaining a stack provides a non-stacking buff that increases movespeed by 20% for 7s
Has no damage threshold, but doesn't proc from Health Loss damage (like Heartstopper Aura)
Can't gain stacks for 3s after taking damage from Roshan or player-controlled sources
Requires Ghost Scepter (1500), Soul Booster (3000), and a recipe (300). Total cost: 4800g
Provides +6 All Attributes, +450 Health, +450 Mana
Active: Rite of Rumusque. The wearer enters ghost form for 4 seconds, becoming immune to physical damage, but is unable to attack and 30% more vulnerable to magic damage. Steals 5% movement speed from enemy heroes in a 900 radius every second. Movement speed steal lasts 1.5s. Bonuses stack and have duration refreshed on gaining new stacks. No Mana Cost. Cooldown: 20s
The ghost form and stolen speed can be dispelled off the wearer, but the stealing debuff that provides new stacks can't
Passive: Putrefaction Aura. Reduces health restoration of nearby enemy heroes by 30%. While Rite of Rumusque is active, the effect is increased to 75% and all of the lost Health Restoration is redirected to the wearer every second. Radius: 900
Requires Urn of Shadows (825), Chainmail (500), Wizard Hat (250), and a recipe (200). Total cost: 1775g
Provides +1.75 Mana Regen, +3 All Attributes, +6 Armor, and +150 Mana
Active: Soul Release. When cast on an ally, provides 40 health regeneration. If the ally is attacked by an enemy hero or Roshan, the effect is lost. When cast on an enemy, deals 25 damage per second, provides True Sight over them and shares their vision with the wearer's team. Both effects last 8 seconds. Can be cast on the ground to put a dormant effect that will latch to the first enemy hero that comes within 400 range from it. The effect waits for 15s and provides 400 vision until it disappears. Gains charges every time an enemy hero dies within 1500 units. Cast Range: 1000. No Mana Cost. Cooldown: 10s
Gains one charge if the wearer dies with an empty Essence Distiller
Gains two charges if Essence Distiller had no charges and an enemy hero dies within radius
Requires Blade of Alacrity (1000), Broadsword (1000), and a recipe (550). Total cost: 2550g
Provides +20 Damage and +12 Agility
Passive: Splitshot. Ranged Only. Ranged attacks have a 30% chance to fire additional projectiles at up to 2 nearby enemies that aren't the original attack target within 120 degree angle in front of the wearer and within attack range + 150. The additional projectiles deal 20 + 75% damage of a normal attack and do not trigger on hit effects. The primary attack deals 20 + full damage of a normal attack when the ability procs
Doesn't work with other sources of secondary projectiles from hero abilities
Gyrocopter's Flak Cannon
Medusa's Split Shot
Muerta's Gunslinger
Requires Specialist's Array (2550), Dragon Lance (1900), Orb of Venom (350) and a recipe (1100). Total cost: 5900g
Provides +25 Damage, +30 Agility, +15 Strength, and +150 Attack Range (Ranged Only)
Passive: Miasma. Attacks poison the target for 3 seconds, dealing magical damage equal to 2.5% of the target's max health every second. If the debuff is reapplied, the duration is refreshed. Can't be applied by illusions or to Roshan
Passive: Polycephaly. Ranged attacks have a 30% chance to fire at up to 3 nearby enemies that aren't the original attack target within 120 degree angle in front of the wearer and within attack range + 150. The additional projectiles deal 20 + 75% damage of a normal attack and do not trigger on hit effects except for Miasma. The primary attack deals 20 + full damage of a normal attack when the ability procs
Similarly to Specialist's Array, doesn't work with other sources of secondary projectiles from hero abilities