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G-Rank Challenges: The "Ultimate" tag introduces G-Rank, a grueling difficulty tier that pushes even the most seasoned hunters to their limits with new moves and higher damage. monsterhuntergenerationsultimatenspromslab link
Customization: Offers 14 weapon types and 6 unique "Hunting Styles" (including the new Valor and Alchemy styles), allowing for over 90 different playstyle combinations. I was unable to find a specific story
How to Get the NS Promotional Slab Link