Style formulas are added after an attack:
Time to make a combo (Basically style meter time): From when style point was last added: Within 1.8s
Note: When in the middle of a roll (Wallhike counts from the start until you bounce off the wall) or SDT activation until you can move again, the style timer will be stopped.
The amount of Red Orbs that drop when an enemy dies is based on number of points. To calculate:
If HP/DT bar is full White/Green orbs will never drop