# As for the ten horns

"Concerning the ten horns" or "Now, about the ten horns"

# out of this kingdom ten kings will arise

"ten kings will rule over this fourth kingdom, one after another" 

# another will arise after them

"after that an eleventh king will become powerful" 

# He will be different from the previous ones

"He will be different from the other ten kings"

# he will subdue the three kings

"he will defeat the three kings that were represented by the three horns that were pulled out"