Russian film vaguely similar to Legion (2010)

Question

I am trying really hard to identify this movie I watched a long time ago. I guess it was made around the mid-2000s. It's a Russian film in which an angel is sent to Earth to do battle against the forces of darkness or something like that.

I vaguely remember a scene in which he meets another angel in a motorhome and this angel has been a long time on Earth and he points the main character (which I believe is the Archangel Gabriel) to the right direction. It's set in Moscow and it has this dark and gritty, almost post-apocalyptic feeling.

After looking around I could say this film is similar in style to Night Watch and Day Watch, but that's as far as I've gotten.

Answer 1

Seems it is Gabriel (2007), YouTube trailer

Gabriel meets another angel (Uriel) in a motorhome:

Plot:

Since the beginning of time, Heaven and Hell have fought over Purgatory and the souls trapped inside it. Each side has sent seven warriors: archangels (Arcs) from Heaven, fallen angels (Fallen) from Hell. They must assume human form to enter purgatory. Hell has attained control, transforming purgatory into a dark, seedy city. The last of the seven archangels, Gabriel (Andy Whitfield), endeavors to discover what has become of his comrades and to restore the Light.

Upon Gabriel entering purgatory, four of the seven Fallen—Sammael (Dwaine Stevenson) who is the Fallen's leader, Asmodeus (Michael Piccirilli), Balan (Brendan Clearkin), and Baliel—gather, and Sammael kills an insubordinate Baliel, so reducing the Fallen's number from seven to six. Meanwhile, Gabriel visits the archangel Michael's apartment, finding it abandoned. He finds a note from Michael in the apartment, saying how hard it is to stay pure in purgatory. While walking through the city, Gabriel receives a vision about the whereabouts of his comrade Uriel (Harry Pavlidis). However, Sammael senses Gabriel's presence and sends the Fallen Molloch (Goran D. Kleut) to kill him. Gabriel fights and kills Molloch, then proceeds to the city's outskirts. He finds a dishevelled and alcoholic Uriel hiding in a rundown bus. He explains that the Archangels all assumed human form and became subject to human desires and feelings which weakened them. Cut off from their power, the Archangels were eventually worn down and fell prey to the Fallen who thrived and became stronger the longer they stayed in purgatory. He reveals to Gabriel that this is what eventually led to the downfall of the Arcs sent before him. Uriel warns Gabriel that if they die in purgatory, their own souls will die too, they completely vanish. To encourage and remind Uriel of his identity, Gabriel mortally wounds Uriel, convincing Uriel to heal himself. Though surely aware of Gabriel's presence, Sammael commands the Fallen to wait before taking any action against Gabriel, even though they could defeat Gabriel; Sammael threatens the Fallen if they do anything to Gabriel. Uriel then explains to Gabriel that the Fallen can sense Archangels when they use their powers, and teaches Gabriel to conceal his bright blue angel eyes. Uriel also explains that due to the nature of the evil and darkness that controls purgatory that Gabriel will be cut off from the "source". He also reluctantly tells Gabriel what happened to some of the other five Archangels: Remiel was killed before Uriel arrived; the whereabouts of Ithuriel (Matt Hylton Todd), Raphael (Jack Campbell), and Michael are uncertain, but Raphael is most likely hiding in the East Side of the city and it is thought that Sammael has killed Michael; and Amitiel (Samantha Noble), who now calls herself Jade, was defeated by Sammael, stripped of her wings, and forced to work as a prostitute. Hearing this, Gabriel goes off into the city to search for Amitiel.

Full movie on YouTube

Answer 2

POSSIBLY NIGHT WATCH OR ITS SEQUEL DAY WATCH

Night Watch is a 2004 Russian urban fantasy supernatural thriller film, loosely based on the 1998 novel The Night Watch by Sergei Lukyanenko. Day Watch is a 2006 sequel.

It has the battle between good and evil (quoting from Wikipedia):

Since the beginning of time, there have been "Others" – humans endowed with supernatural abilities – and for just as long, the Others have been divided between the forces of Light and Dark. In Medieval times, the armies of both sides met by chance, and a great battle began. Seeing that neither side had a clear advantage, the two faction leaders, Geser and Zavulon, called a truce and each side commissioned a quasi-police force to ensure it was kept; the Light side's force was called the Night Watch and the Dark side's force was called the Day Watch. (...) Anton has enlisted in the Night Watch. While policing Moscow, he encounters several portents that Geser says are linked to an ancient prophecy of an immensely powerful Other that will end the stalemate between Light and Dark, but will be more likely to join the Dark.

I remember it as being rather grim, nearly post-apocalyptic. I don't remember enough to say if it has the trailer park scene you mention.