None.

A woman is savagely beaten by terrorists. Three other women look on in horror.

Three prisoners are set on fire by terrorists. They scream in agony as they burn to death offscreen.

A young Iraqi man is shot by terrorists. Blood is seen dripping out of his mouth as he dies.

Many ISIS militants are hunted down and killed by a main character. They die by being shot, stabbed, strangled, and being blown up. One terrorist dies by getting a rock slammed into his head, but this is off-screen.

A man is badly beaten by ISIS militants. His face is shown covered in blood. It is not said whether he lives or dies.

A few instances of "bloody" or "bollocks".

Two uses of the word "fag" or "faggot". One is used in reference to the British slang for cigarettes (might not be noticed), and the other is used as an insult.

A man calls another man's girlfriend an "American whore".

People are shown drinking and smoking several times throughout the movie.

The entire movie is emotional and can be upsetting, especially the execution scenes and the finale.