Specialty field that you'd be best off making a copy of the markings on paper and either sending or taking it to someone with some expertise.
Heavenly sword would translate to 天来の刀剣 (tenrai no tōken) in Japanese.
'Midori no katana.'
ドラゴンの剣
The translation from English to Latin of "God is My Sword and My Shield" is "Scutum et gladium meum Deus".
Both the words 刀 (katana) and 剣 (ken) can be used to refer to 'sword'.
It is a sword in Spanish, and a ten sided blade in Japanese
Sword of God = Gladius Dei
Sword in Japanese is Katana
"Shi no ken" would be pronounced: shee no ken.
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.
The word 'scythe' would be大鎌 (oogami) in Japanese.
There are many countries that have produced swords. In order to know where a sword was made you would need to look on the sword to see if there are any markings.