How to make a rising synth sound with Sylenth1.

Load sylenth to default settings.

Ensure that the sawtooth wave is selected.

Adjust the ADSR envelope

Adjust the voice count up to at least 4
Turn the detune knob up to taste
Turn the volume down a little.

Copy oscillator A1 settings to osc a2, b1, and b2. Part A and B settings should be the same.

Offset the pitch settings of Part B oscillators.
On oscillator b1 adjust the octave to plus +1 and the note to -6
On oscillator b2 adjust the octave to plus one as well.

Pitch Envelope

In order to make the sound rise we will need to use the modulation envelope on the pitch of oscillators A and B.
Set the source to PITCH AB. Turn the attack and release up to taste. The Attack will control the speed of the rising effect.

Adjust the Detune knobs to taste to fatten up the sound.

How to make a rising synth sound with sylent1

This is what the sound sounds like so far

FX

Adding effects such as chorus and reverb make the effect sound even better.

Sylenth riser with effects example

Add the stutter effect.
To make the sound stutter we can modulate the volume envelope with and LFO.
Set the LFO1 source to Volume AB.
Adjust the amount, rate, and gain to taste.

Changing the Oscillator types will also give you a different sound. Experiment own your own to program your own customized sounds.
If you are looking for pre-made Sylenth1 Synth riser presets you can find them here.