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The Boltreaver Astalos is an unknown Astalos mutation you can hatch in Monster Hunter Stories 3 (MHS3). Learn how to get the Boltreaver Astalos, plus their weaknesses, skills, stats, and locations.
| Variants |
Boltreaver Astalos |
Astalos |
|---|
| Lightning-Focused Monsters | |||
|---|---|---|---|
Astalos
|
Tobi-Kadachi
|
Lagiacrus
|
Ivory Lagiacrus
|
To unlock the Boltreaver Astalos mutation, you'll need to first acquire Astalos itself by repelling the Invasive Seregios, then reintroduce it to a thunder habitat with 3 or more lightning-focused monsters.
We suggest introducing Astalos to the thunder habitat in Broadleaf Basin, where the lightning-focused monster Tobi-Kadachi already resides. From there, you can introduce Astalos itself (it's a lightning-focused monster, so it counts) and one more lightning monster like Lagiacrus or its Ivory variant to trigger the mutation!
| Icon | Egg Image |
|---|---|
|
|
| Monstie Rank | Riding Actions |
| 7★ |
・Fly ・Jump ・Roar ・Melee Attack ・Breath |
| Genus | |
| Flying Wyvern | |
| Monstie Attack Type and Element | |
| Description | |
| An Astalos Deviant especially known for unleashing electric bolts as blue as the sky. Its highly developed shockshells produce spheres of electromagnetic energy to trap its foes. | |
| Transformation | Attack Type and Element |
|---|---|
| Normal |
|
| TBD |
| Skill | Level Unlocked | Details |
|---|---|---|
|
Astalos Saber
(Kinship Skill) |
1 |
Target: Single Enemy Effect: Deals thunder damage to one enemy, then grants Attack Up to the user. High chance of landing a critical hit. |
Ray Blade+
|
1 |
Type: Active Target: Single Enemy Effect: Deals thunder damage to one enemy. Chance to inflict Paralysis. |
Azure Voltage
|
50 |
Type: Active Target: User Effect: Grants Thunder Attack Up to the user, but also lowers defense. Greatly increases damage dealt by the user on the next turn. |
Blue Plasma
|
60 |
Type: Active Target: All Enemies Effect: Deals thunder damage to all enemies. Chance to inflict Paralysis. |
These are skills that the Boltreaver Astalos will always have.
| This section is still under construction. |
These are skills that the Boltreaver Astalos can potentially have when hatched.
Note that some monsters change weaknesses and resistances when they transform.
| Ailment Resistances | |||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| Elemental Resistances | |||||||||||||||||||||||||||||||||||||||||
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| This section is still under construction. |
These determine which weapon type will be most effective in breaking the specific targetable parts of the monster.
| HP | 6 |
|---|---|
| Attack | 9 |
| Speed | 8 |
| Defense | 8 |

| Endangered Monsties | Mutated Monsties |
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Boltreaver's natural ice resistance is two down arrows. You must have used a double thunder dual-element Boltreaver for reference. Also, apparently mutations like Dreadqueen Rathian and Boltreaver Astalos can't appear in the overworld to be fought for their materials. Only subspecies like Pink Rathian can.