Image delivery failed; source record unchanged.Firestorm
abyssal_underlord_firestorm · #5613
Calls down waves of fire that damage enemy units in the target area, burning for additional damage over time.
Underlord assets / Aghanim explorer
Underlord: what changes?
Compare the official snapshot’s Aghanim upgrades. Affected abilities and newly granted skills stay separate.
Not a current-game guarantee, best build, win-rate recommendation or damage/cooldown simulator.
Base mode
Source template: descriptions are displayed as literal text. Unresolved %tokens% mean values are unknown; no numbers or immunity rules are inferred.
Base abilities
Abilities not explicitly granted by an upgrade. Unknown grant flags are not proof of base availability.
Image delivery failed; source record unchanged.
Image delivery failed; source record unchanged.Pit of Malice
abyssal_underlord_pit_of_malice · #5614
A deadly pit is conjured at the target location; any unit that enters will be damaged and rooted. Each enemy unit within the pit are affected by the root only every %pit_interval% seconds.
Image delivery failed; source record unchanged.Atrophy Aura
abyssal_underlord_atrophy_aura · #5615
Nearby enemy units are weakened, losing a portion of their base damage. If an enemy dies while under this effect, Underlord gains temporary bonus damage.
Missing source image
Invading Force
abyssal_underlord_raid_boss · #1486
After an allied hero Teleports, they temporarily gain Damage Reduction and Movement Speed. Allies receive %dark_portal_multiplier%x bonuses if teleporting via Fiend's Gate.
Image delivery failed; source record unchanged.Fiend's Gate
abyssal_underlord_dark_portal · #865
Opens 2 portals, one next to Underlord and one in the target location. Heroes can channel a portal for %warp_channel_duration% seconds to teleport to the other side. Portals have to be at least %minimum_distance% away from each other.
Affected abilities
Image delivery failed; source record unchanged.Pit of Malice
abyssal_underlord_pit_of_malice · #5614
Scepter · Affected
Increases radius of the Pit of Malice.
affected: true · granted: false
Image delivery failed; source record unchanged.Fiend's Gate
abyssal_underlord_dark_portal · #865
Scepter · Affected
Summons a Pit of Malice around each of the portals. Reduces cooldown.
affected: true · granted: false
Newly granted abilities
No abilities in this group for the selected source mode.
Unknown relationships
No missing relationship flags in this selection.
Base abilities
Abilities not explicitly granted by an upgrade. Unknown grant flags are not proof of base availability.
Image delivery failed; source record unchanged.Firestorm
abyssal_underlord_firestorm · #5613
Calls down waves of fire that damage enemy units in the target area, burning for additional damage over time.
Image delivery failed; source record unchanged.Pit of Malice
abyssal_underlord_pit_of_malice · #5614
A deadly pit is conjured at the target location; any unit that enters will be damaged and rooted. Each enemy unit within the pit are affected by the root only every %pit_interval% seconds.
Image delivery failed; source record unchanged.Atrophy Aura
abyssal_underlord_atrophy_aura · #5615
Nearby enemy units are weakened, losing a portion of their base damage. If an enemy dies while under this effect, Underlord gains temporary bonus damage.
Missing source image
Invading Force
abyssal_underlord_raid_boss · #1486
After an allied hero Teleports, they temporarily gain Damage Reduction and Movement Speed. Allies receive %dark_portal_multiplier%x bonuses if teleporting via Fiend's Gate.
Image delivery failed; source record unchanged.Fiend's Gate
abyssal_underlord_dark_portal · #865
Opens 2 portals, one next to Underlord and one in the target location. Heroes can channel a portal for %warp_channel_duration% seconds to teleport to the other side. Portals have to be at least %minimum_distance% away from each other.
Affected abilities
Image delivery failed; source record unchanged.Firestorm
abyssal_underlord_firestorm · #5613
Shard · Affected
Firestorm can be allied targeted. When used that way, the Firestorm follows the hero around. The wave count is increased, and tick rate / duration time occur more quickly.
affected: true · granted: false
Newly granted abilities
No abilities in this group for the selected source mode.
Unknown relationships
No missing relationship flags in this selection.
Base abilities
Abilities not explicitly granted by an upgrade. Unknown grant flags are not proof of base availability.
Image delivery failed; source record unchanged.Firestorm
abyssal_underlord_firestorm · #5613
Calls down waves of fire that damage enemy units in the target area, burning for additional damage over time.
Image delivery failed; source record unchanged.Pit of Malice
abyssal_underlord_pit_of_malice · #5614
A deadly pit is conjured at the target location; any unit that enters will be damaged and rooted. Each enemy unit within the pit are affected by the root only every %pit_interval% seconds.
Image delivery failed; source record unchanged.Atrophy Aura
abyssal_underlord_atrophy_aura · #5615
Nearby enemy units are weakened, losing a portion of their base damage. If an enemy dies while under this effect, Underlord gains temporary bonus damage.
Missing source image
Invading Force
abyssal_underlord_raid_boss · #1486
After an allied hero Teleports, they temporarily gain Damage Reduction and Movement Speed. Allies receive %dark_portal_multiplier%x bonuses if teleporting via Fiend's Gate.
Image delivery failed; source record unchanged.Fiend's Gate
abyssal_underlord_dark_portal · #865
Opens 2 portals, one next to Underlord and one in the target location. Heroes can channel a portal for %warp_channel_duration% seconds to teleport to the other side. Portals have to be at least %minimum_distance% away from each other.
Affected abilities
Image delivery failed; source record unchanged.Firestorm
abyssal_underlord_firestorm · #5613
Shard · Affected
Firestorm can be allied targeted. When used that way, the Firestorm follows the hero around. The wave count is increased, and tick rate / duration time occur more quickly.
affected: true · granted: false
Image delivery failed; source record unchanged.Pit of Malice
abyssal_underlord_pit_of_malice · #5614
Scepter · Affected
Increases radius of the Pit of Malice.
affected: true · granted: false
Image delivery failed; source record unchanged.Fiend's Gate
abyssal_underlord_dark_portal · #865
Scepter · Affected
Summons a Pit of Malice around each of the portals. Reduces cooldown.
affected: true · granted: false
Newly granted abilities
No abilities in this group for the selected source mode.
Unknown relationships
No missing relationship flags in this selection.
Base abilities
Abilities not explicitly granted by an upgrade. Unknown grant flags are not proof of base availability.
Image delivery failed; source record unchanged.Firestorm
abyssal_underlord_firestorm · #5613
Calls down waves of fire that damage enemy units in the target area, burning for additional damage over time.
Image delivery failed; source record unchanged.Pit of Malice
abyssal_underlord_pit_of_malice · #5614
A deadly pit is conjured at the target location; any unit that enters will be damaged and rooted. Each enemy unit within the pit are affected by the root only every %pit_interval% seconds.
Image delivery failed; source record unchanged.Atrophy Aura
abyssal_underlord_atrophy_aura · #5615
Nearby enemy units are weakened, losing a portion of their base damage. If an enemy dies while under this effect, Underlord gains temporary bonus damage.
Missing source image
Invading Force
abyssal_underlord_raid_boss · #1486
After an allied hero Teleports, they temporarily gain Damage Reduction and Movement Speed. Allies receive %dark_portal_multiplier%x bonuses if teleporting via Fiend's Gate.
Image delivery failed; source record unchanged.Fiend's Gate
abyssal_underlord_dark_portal · #865
Opens 2 portals, one next to Underlord and one in the target location. Heroes can channel a portal for %warp_channel_duration% seconds to teleport to the other side. Portals have to be at least %minimum_distance% away from each other.
Source evidence
Valve official English hero data ↗Retrieved 2026-09-10T13:40:04.252602+00:00 · hero #108
SHA-256 42e97ac2fccf2424f1f1ab80721874e8c6b3f2c99b50bc2020348d3459a2548c
Pinned WEB-495 evidence; artwork joins on exact ability ID and name. Retrieval time is not a patch version.
Official Valve feeds and CDN; historical game-script evidence mirrored by dotabuff/d2vpkr. Retrieval dates are not patch versions.
Taxonomy & coverage (JSON)