"Tsumetai tsume" is pronounced tsoo-meh-tai tsoo-meh.
Tsumetai umi
You may say 'kuma no tsume,' written: くまの爪
You may say 'chimamire no kagidzume,' written: 血まみれの鉤爪 
I don't think they nice because articels say they can leave serious injuries caused by their claws.
obtenir de glace.
there is no such thing as Icy breeze from sword that waves. you can't just make up random phrases and expect them to be translated to japanese.
You may say 'koori no ookami no kiba,' written: 氷の狼の牙
Yes, I would say porcupines have claws you just do not see them because of their sharp beck you could say.
The vast majority of salamanders species do not have claws. The only salamanders that have claws are the long-tailed clawed salamander and the Japanese clawed salamander.
how to say "editor" in japanese
To say old Japanese illustrations in Japanese, you say "Mukashi no Nihon no irasuto".
we say Nakagawa if we want to say inside in Japanese.