Adonis 2 use 4 graphical envelopes for modulations, up to 32 stages. Each stage can be set in time and level, by simply click & drag any point.
Each stage can also have it own curve.

To modify a stage, do a left-click and a menu will appear. The items are:
- Shapes
- Sustain stage
- Repeat stage to repeat the envelope from the stage you specified or from start, until the last stage.
- Active stages, to set the number of stages you want, from 1 to 32.
- Box size: The green points used for moving stages.
- Zoom: Very useful if using many and longs stages. You can also scrolling by using the "slider" in top-right corner.
- Insert stage.
- Delete stage.
- Adjust total time, in percentage.

You can also drag a point by using keyboard-mouse combination:
- CTRL+Click to move a point very slowly. Great for fine adjustments.
- Shift+Click for medium speed.

Other parameters are:
- Global time: set the global duration.
- Lock mode:  Levels to modify just the time.
                       Times: to modify just the levels.
                       Total time: to modify level & times without changing the total time.
- Steps: Generate aliasing on all stages.
- Retrig mode: If from start, the envelope will retrig form start when a note is played.
                         If from end, , the envelope will retrig form last stage (pick-up).