What do the skills Polar Hunter and Tropic Hunter do?

What do the skills Polar Hunter and Tropic Hunter do? - Tiger walking in green sunny national park

The descriptions mention powering up in cold and hot climates respectively. What does that mean, exactly?

monster-hunter-generations

Pictures about "What do the skills Polar Hunter and Tropic Hunter do?"

What do the skills Polar Hunter and Tropic Hunter do? - Dangerous leopard roaring in glass enclosure

What do the skills Polar Hunter and Tropic Hunter do? - Lazy lioness resting on sunny meadow in wild nature

What do the skills Polar Hunter and Tropic Hunter do? - Brown Tree Trunk on Green Grass

Skills \u0026 Perks EXPLAINED - Hunter: Call of the Wild

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Images: Ryutaro Tsukata, Ryutaro Tsukata, Ryutaro Tsukata, Mikhail Nilov