Some brief mild animated nudity.

One of the main themes is an incest relationship between Setsuna and Sara.

There is a reference to Setsuna and Sara's father having an affair.

In one of the three episodes it is assumed that Setsuna and Sara have sex.

Setsuma kisses Sara while she is sleeping.

Sara kisses Setsuna before she tells him she is leaving for London.

Some bloody violence (including the slaughtering of Angels may be very offensive to some viewers)

Setsuna gets in a fight in the first episode.

Battles between Angels VS. Demons. There is a lot of blood shown.

Setsuna gets in a fight with some men in a warehouse.

'Goddamn'

'Shitty'

'Crap'

'Damn you'

'Hell'

'Bastard'

'Shit',

'Damn'

Some religious swearing.

Kira smokes cigarettes.

Kira makes a reference to drugs.

A man gives another man a red and white pill.

Battles between angels VS. demons.

Setsuna gets possed by Alexel.

Angel Sanctuary contains VERY STRONG ANTI-RELIGIOUS THEMES. If you are highly religious, you might want to find a different anime to watch.