YOU SAID:
When the war has lasted 20 years the dragonets will come
INTO JAPANESE
戦争が20年続いたとき、ドラゴネットが来る
BACK INTO ENGLISH
When the war lasts 20 years, the Dragonet comes
INTO JAPANESE
戦争が20年続くと、ドラゴネットがやってくる
BACK INTO ENGLISH
After 20 years of war, Dragonet arrives
INTO JAPANESE
20年間の戦争の後、ドラゴネットが到着
BACK INTO ENGLISH
After 20 years of war, the Dragonet arrives
INTO JAPANESE
20年間の戦争の後、ドラゴネットが到着
BACK INTO ENGLISH
After 20 years of war, the Dragonet arrives
That didn't even make that much sense in English.