2 adjectives to describe chastenings

Besides, it has a mighty chastening and stimulating effect on the star to know that if she balks there's a sweet young thing in reserve who's able and eager to go the distance.

And from the temper manifested by the Mexican Government he had repeatedly assured us that no favorable change could be expected until the United States should "give striking evidence of their will and power to protect their citizens," and that "severe chastening is the only earthly remedy for our grievances."

2 adjectives to describe  chastenings