I want to make light beams that shoot up from a point, that can be visible from afar, but I don’t know how. I’m sort of new to unity so I don’t have that much experience so any help would be appreciated.
I want it to be something like this:
This can be a simple cylinder with an emission and bloom.
In order to make it shoot up into the sky, you can either scale that cylinder on the Y axis, or if you have shader knowledge, you can make the shader itself make it visible as it “shoots up”.
Hi, I am new as well but I think you have to use Shaders to make it. You could also try Particle System but I think it creates different effect. Google this: unity force field
Do something similiar but on the Cilinder not on the Sphere.
Good Luck 
If you’re looking for a high-performance way to do this on mobile, you can just use a plane with a texture of the beam with a script that rotates (you can use LookAt) towards the camera in combination with a shader with the blend operation set to One One (additive). Then the “light” will simply be added on what’s behind which is cheaper than alpha blending and cheaper than bloom (which requires post processing).