How to film a thriller

How to film a thriller?

Show all convention in one short video:

Conventions that have been used:

Within this short clip they used many different conventions such as:
Point of view shot: This was used to build up tensions and see where he was going and natural lighting was used within this shot to make it look realistic. To show something bad is going to happen as you see it from the villains point of view. 
Tracking shot: Tracking shot was used to show that he was going somewhere mysterious and show where it was exactly he was going.
High angle: Used to show that he was weak and vulnerable.
Fast editing: Fast editing was used to allow to get every clip in, but also to show danger and that something bad might happen.
Close up: Close up shots to show danger and tension, or to show what is going on. Also show the reaction of the character.
Extreme close up: Extreme close up to show what is happening and fear and danger. can also show the reaction of a character. 
Cross dissolve & dissolve point of view shot: Used to show time passing and to show him walking for a long time without filming him the whole time he was walking.
Tilt shot: To show venerability, because of the place that he is going into.
Fast pacing: About 2 seconds per shot to allow every shot to be in the video without the clip being extremely long.
Match on action: Used to show tension and usually cut on movement so that it looks more realistic.
Not a lot of dialogue: Not a lot of dialogue used so that it would not destroy the mood, as some people are not able to act.
Shot reverse shot: Used to show him walking through the cave, to build tensions and to show something bad could end up happening the further he walking into the cave. 
Sounds of music: Water drops in the cave, this is to build up more tension, heavy and deep note music to show something bad is going to happen, No sound used to show that the danger has gone away. Using dramatic sound when danger is building up to build up the suspense. If you are not able to catch certain sounds of music when filming the piece you can add it in when editing the clip. 
Diegetic and non-diegetic sounds: Diegetic - Nature, sound of the man breathing and non diegetic - sound tracks, different musics.
Shot around the door: To show tension or something hiding around the corner and he is not able to see what is there. 
Shot through an opening: To show that something or someone is watching what he is doing and to allow tension to build up. 
Back lighting: To build a silhouette.
Wide angle: To show what is going on all around him and not just on near him. 
Slow motion: To show panic and worry.
Nature: Using nature to show everything is calm and to show nothing bad is going to happen. 
Camera angles: Different angles used with the camera and fast editing to show that something bad it happening, or even to make it look like the man was looking for something.
Deep focus: Put all the focus on one person or one object.