Huge Beast, Unaligned
Armor Class 14 Natural armor
Hit Points 255 (40d12 + 15)
Speed 40 ft.
STR
23 (+6)
DEX
12 (+1)
CON
16 (+3)
INT
7 (-2)
WIS
8 (-1)
CHA
7 (-2)
Saving Throws STR +9, CON +6
Skills Perception +2
Damage Vulnerabilities Fire
Damage Resistances Cold
Condition Immunities Charmed, Grappled, Restrained
Senses Blindsight 350ft., Tremorsense 300ft., Passive Perception 9
Languages none
Challenge 7 (2,900 XP)
Proficiency Bonus +3
Traits

Broodcaller: The Boreus can call minions to distract opponents. These minions come in three different forms, and two are summoned of each type: 

Spitter: HP 10 AC 10, Ice Blast: Ranged Weapon attack, +4 to hit, reach 30/10ft., Hit 6(2d6) cold damage

Stalker: HP 8 AC 10. Pierce: Melee Weapon attack, +4 to hit, reach 5ft., Hit 6(2d6) piercing damage

Bomber: HP 8 AC 11, Self-destruct: Melee weapon attack, +4 to hit, reach 5ft., Hit 12(4d6) cold damage and the Bomber does 8 damage to itself. 

The minions go after Boreus's turn in this order; Stalker, Bomber, Spitter. 

Actions

Slam: Melee weapon attack, +4 to hit, reach 5ft., Hit 15(3d10) bludgeoning damage plus 5(1d6+2) cold damage

Stomp: Melee weapon attack, +4 to hit, reach 5ft., Hit 10(2d10) bludgeoning damage plus 5(1d6+2) cold damage

Ram: Melee weapon attack, +4 to hit, reach 5ft., Hit 10(2d10) bludgeoning damage plus 5(1d6+2) cold damage

 

Bonus Actions

Aethercharge: Boreus calls its minions, and creates Ice Armor around it. This armor gives Boreus +5 armor class and resistance to all damage types. Boreus deals an extra 1d6 cold damage to all of it's attacks until the armor is broken. If Boreus takes 40 damage from any source, the armor breaks. Killing minions allows the killer to bypass the resistance the armor gives Boreus. 

Enrage: Boreus roars and enters the enrage state. Boreus has advantage on attack rolls until it takes a total of 40 damage. Boreus deals an extra 1d6 bludgeoning damage to all of its attacks. 

Mythic Actions

Boreus are mythical creatures to those outside of the Shattered Isles, along with the other known Behemoths, are nothing the likes of which anyone has ever seen before.

Sheer Mystery. Anyone who is not from the Shattered Isles cannot seem to identify this creature, or what it can do, so people who aren't from the Shattered Isles are weary and unsure about the Behemoths. Creatures who have the Mythical Trait of Sheer Mystery are able to frighten those who have not encountered this creature previously for 2 turns of combat if the creature is huge or bigger. If the creature is smaller than huge, the opponent must make a DC14 Wisdom Saving Throw, and if they fail they will be frightened for 2 turns of combat.

Description

From the heart of the Maelstrom comes the mighty Boreus, a frost-powered Behemoth with the ability to control flying minions. These smaller airborne beasts both protect the Boreus from harm and do its psionic bidding. The relatively recent emergence of the Boreus—once thought only a legend—was seen at the time as another sign that the Behemoth threat has continued to evolve in bizarre and unexpected ways. Since the Skyquake, Behemoths thought extinct or even entirely unknown to science have begun to emerge at an escalating rate, and the Boreus has been reassessed as a potential harbinger of the increasing threat.

In some ways, the Boreus is best thought of as not a single Behemoth, but as a whole host of creatures, and Slayers have given the minions of the Boreus descriptive nicknames to easily tell them apart. Stalkers are lean, toothy creatures that prefer to surround Slayers and jab at them with their razor-sharp legs. They can be easily distinguished by their long, blade-like limbs, and are slightly smaller than other minions. The aptly nicknamed spitters prefer to strike from range, lobbing cold, frost-charged projectiles from their mouths. These icy spitballs can inflict a surprising amount of harm on unsuspecting Slayers. Perhaps the most dramatic of the Boreus' minions are the bombers. These self-destructive creatures can prime their own bodies to become an explosive aether charge. Bombers sacrifice themselves to blast the Boreus’ foes, sometimes even taking other minions with them.

Slayers have learned the hard way that the Boreus is full of surprises. While it deals with minor threats as any Behemoth would—by hoof, horn, and tooth—it reacts to lethal attacks with innate defenses as necessary. If the Boreus takes too much harm, it can encase itself in an impenetrable layer of aetheric ice. While Slayers can batter at this bizarre phenomenon, it is only by tackling the minions themselves that they can charge their weapons with enough power to bring the Boreus’ cold protection crashing down.

Monster Tags: Misc Creature

Habitat: Arctic

Shadowtouched_Rezakiri

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