all the host of them.

金山词霸:

host of

许多, 一大群

Them指代Heaven and earth

也就是世间万物的意思

Host 寄主, 宿主

All the host of them承前省略了were finished

此中, them指代heavens and the earth, 也就是天和地的寄主, 译为"万物"

所以 Heaven 天, the earth 地, all the host of them 万物

合起来就是: 六合万物

整句话就是:六合万物都造齐了。