# see

"listen" or "pay attention to what i am about to tell you".

# bring them against this land

"bring them to attack this land"

# I will set them apart for destruction

"I will destroy them completely"

# I will turn them into a horror

"I will turn them into something that horrifies people"

# an object for hissing

"an object at which people will hiss". This refers to a sound that shows strong disapproval.