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Light Bowgun Lagiacrus Tree

Thundacrus Rex

Rarity 8 Final upgrade

An upgraded Thundacrus. Electrical power courses through it, making it the epitome of fear itself.

Attack
220 RAW 286 displayed
Decoration slots
123 Lv1 · Lv2 · Lv3
Plan this weapon
Thundacrus Rex, presentation art

How to get it

Step 2 of 2

Upgrade from Thundacrus I at the Smithy.

  1. Step 1 · Forge Rarity 7
    Thundacrus I
    Lagiacrus Certificate S ×2, Lagiacrus Hide+ ×5, Lagiacrus Tail ×1, Lagiacrus Claw+ ×3
  2. Step 2 · Upgrade Rarity 8
    Thundacrus Rex
    Hunter Symbol III ×5, Lagiacrus Shockspike ×4, Lagiacrus Horn+ ×3, Lagiacrus Sapphire ×1
    This weapon

Materials

Thundacrus I → Thundacrus Rex

Material Qty Comes from Highest listed chance
Hunter Symbol III ×5 Quest reward
Lagiacrus Shockspike ×4 Lagiacrus 100% broken part · lagiacrus
Lagiacrus Horn+ ×3 Lagiacrus 100% broken part · lagiacrus
Lagiacrus Sapphire ×1 Lagiacrus 100% target reward · lagiacrus

Sources

1 monster
Lagiacrus Leviathan
Provides Lagiacrus Certificate S, Lagiacrus Hide+, Lagiacrus Tail, Lagiacrus Claw+, Lagiacrus Shockspike, Lagiacrus Horn+, Lagiacrus Sapphire
Seen in Scarlet Forest
How to tackle Lagiacrus ›

Related

On the same path
Thundacrus I PREVIOUS · R7
Armor from the same monster
Azure Age α 5 PIECES · R8 Dober α 5 PIECES · R7 Lagiacrus α 5 PIECES · R7 Lagiacrus β 5 PIECES · R7
Lagiacrus Tree · 28 weapons
Acrus Lance I Bolt Axe I Boltsender I Exlagia Gunlance Fractal Glaive Boltlagia Heaven's Thunder High Acrus Lance High Bolt Axe High Lagia Blade High Lagia Sword High Voltsender High Vortex Hammer Lagia Blitz I Lagia Burst I Lagia Horn I Lagia Storm I Lagia Sword I Lagia Thunderpeal Lagiacrus Blade I Levin Acrus Thundacrus I Thunder Glaive Triacrus I Thunderblitz Cannon Thunderclap I Twin Acrus I Vankrom Blade Vortex Hammer I