Invasive Nerscylla Guide on How to Beat it - Monster Hunter Stories 3 ( MHS3 )

[1] Bring a Gunlance with Wyvern's Fire skill or Wyvern's Blaze skill.

[2] Use Power attacks at the start of the battle to save your stamina.

Nerscylla will be in stealth mode during this time.

[3] Wait for Rudy's cue!

Rudy will tell you when the Invasive Nerscylla attacks differently.

[4] With Rudy's warning, attack using the Wyvern's Fire or Wyvern's Blaze!

After attacking, Nerscylla will retreat.

・Access to Endangered Species Den
・Nargacuga Egg