C1671 Your opponent is my grand-disciple

Your opponent is my grandstudent

"Wanting to kill 'Patriarch Hongjun' isn't so simple. Presumably, in this entire era, his strength won't be much weaker than mine, however, it isn't impossible for Master to kill him, it's just that I need to pay a certain price. It's just that right now, I don't want to pay the price, I can only do it as a last resort