If a beginner paraglider / paramotor wing fully stalls, how much vertical distance is needed for recovery?
Any extra second in recovery adds up to 60 meters of height. For this reason there is no way to tell how much height the next stall will require.

From the manual of Gin Bolero 6:

Page28, Dynamic Stall: the sink rate in a controlled stall induced by pilot is approx 8m/s.

Page20, Spiral Dive: you need 120-150m clearance to attempt a spiral Dive.

If you took an SIV course and trained in Dynamic Stall, you will find the answer. This is as far as I can go at answering your question. Any further appreciation or direct answering would be a mistake and huge liability.