WoW Dragonflight - Sennarth Boss Guide
Deep within the icy caverns of Azeroth lies a fearsome creature, forged by the skilled yet sinister hands of Kurog Grimtotem. Her name strikes fear into the hearts of the brave: Sennarth, the Cold Breath. This titanic arachnid monstrosity is the relentless guardian of her vast brood, a legion of eggs patiently awaiting their moment in the darkness.
The very essence of ruthless cold courses through Sennarth's veins, infusing her being with deadly frost. Every movement is imbued with the promise of an eternal winter, a fate she eagerly seeks to impose upon the world. Her eyes, shining like shards of ice, gaze coldly upon the horizon, envisioning a future where her offspring spread without bounds, blanketing everything in their path with a cloak of frost.
For those who dare venture into the depths where Sennarth lurks, danger is ever-present and death lurks in every shadow. Her presence serves as a grim reminder of the unforgiving nature of cold and the ferocity of the mother who embodies it.
Sennarth, the Cold Breath Abilities
Stage One
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Breath of Ice: Sennarth exhales a frozen vapor, creating patches of Icy Ground. Standing on 
Icy Ground inflicts 11,018 Frost damage per second and causes players to slide.
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Chilling Blast: Sennarth chills players with volatile rime, dealing 22,036 Frost damage per second for 5 seconds, causing Frost Expulsion upon expiration or removal.
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Frost Expulsion: An icy explosion inflicts 99,123 Frost damage to all players within 4 yards.
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Enveloping Webs: Sennarth causes spider webs to envelop several players, inflicting 17,605 Physical damage and dropping Sticky Webbing at their locations every second for 6 seconds.
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Sticky Webbing: Standing within sticky cobwebs provides resistance to displacement and sliding, reducing movement speed by 25% for 30 seconds. Upon reaching 10 applications, the target becomes Wrapped in Webs.
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Gossamer Burst: Sennarth attaches gossamer webs to all players, inflicting 143,235 Physical damage and drawing them inwards.
Frostbreath Arachnid
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Freezing Breath: The Frostbreath Arachnid emits freezing breath, dealing 88,144 Frost damage in a frontal cone and creating patches of Icy Ground.
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Chilling Aura: The Frostbreath Arachnid emits a chilling vapor, increasing Frost damage done by 20% and inflicting 50,683 Frost damage to all players. This effect stacks.
Caustic Spiderlings
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Caustic Eruption: The Caustic Spiderling erupts upon death, dealing 44,072 Nature damage to players within 5 yards. It destroys webbing from the ground and removes Sticky Webbing and Wrapped in Webs from players struck.
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Web Blast: Sennarth blasts her target with webs, inflicting 100% of normal attack damage and causing 50% increased damage from Web Blasts for 20 seconds. This effect stacks.
Stage Two
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Apex of Ice: Sennarth envelops herself in a chilling storm, creating Icy Ground in a large area. While the storm persists, Sennarth takes 99% less damage and inflicts 2,204 Frost damage to all players per second for 4 seconds, repeating and intensifying every 3 seconds.
- Icy Ground: Standing on Icy Ground inflicts 11,018 Frost damage per second and causes players to slide.
- Chilling Blast: Sennarth chills players with volatile rime, dealing 22,036 Frost damage per second for 5 seconds, causing Frost Expulsion upon expiration or removal.
- Frost Expulsion: An icy explosion inflicts 99,123 Frost damage to all players within 4 yards.
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Glacial Plume: Frost Expulsion leaves behind a Glacial Plume, inflicting 88,144 Frost damage and knocking back players who come into contact with it.
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Suffocating Webs: Sennarth targets several players with spiderwebs, inflicting 17,629 Physical damage per second for 6 seconds. At the end of the duration, she knocks them back while instantly causing Wrapped in Webs and releasing Sticky Webbing at their locations.
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Repelling Burst: Sennarth releases a burst of webs, inflicting 88,144 Physical damage to all players and pushing them away.
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Pervasive Cold: Sennarth chills the air around herself, causing players to suffer 10% increased Frost damage until she dies. This effect stacks.
Caustic Spiderlings
- Caustic Eruption: The Caustic Spiderling erupts upon death, dealing 44,072 Nature damage to players within 5 yards. It destroys webbing from the ground and removes Sticky Webbing and Wrapped in Webs from players struck.
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Permafrost: Permafrost forms in Sennarth's lair, inflicting 4,407 Frost damage per second to players within the affected area. This effect stacks.
Tips and Strategy
Sennarth launches chilling assaults, covering the ground in slippery ice as players engage her in the lower reaches of the chamber. As the battle progresses, Sennarth ascends towards the icy summit of her lair, summoning Frostbreath Arachnids at platforms along the staircase. Upon reaching the top, Sennarth freezes the ground permanently before descending from her web to consume her prey.
Tanks
- Utilize Sticky Webbing to prevent sliding on Icy Ground and resist being pushed or pulled.
- Caustic Eruption eliminates Sticky Webbing and Wrapped in Webs.
- Beware of increased damage from subsequent hits after being struck by Web Blast.
Damage Dealers
- Employ Sticky Webbing to avoid sliding on Icy Ground and resist being pushed or pulled.
- Coordinate to mitigate damage from Chilling Blast, which triggers Frost Expulsion upon expiration.
- Be aware that Caustic Eruption removes both Sticky Webbing and Wrapped in Webs.
Healers
- Ensure the group utilizes Sticky Webbing to prevent sliding on Icy Ground and resist being pushed or pulled.
- Prepare for high damage from Chilling Blast and Frost Expulsion, prioritizing healing accordingly.
- Be vigilant as Caustic Eruption removes both Sticky Webbing and Wrapped in Webs, potentially exposing players to increased danger.