(Second update)
"Fifty million spirit stones?" Delight flashed across the elderly Grotto-Heaven True Person's face at those words, but vanished almost immediately. He looked hesitant, then suddenly assumed the serene air of a sage above worldly concerns. "Nephew Sun, you think far too highly of me. This young fellow is so formidable that I couldn't possibly defeat him. Best forget it!" With that, he made as though to turn and leave.
"Wait!" Sun Xing glanced at the other Sun Xing, gritted his teeth, and hastily called out, "Senior Grotto-Heaven, I'll add another fifty million spirit stones!"
"Now, now!" Grotto-Heaven True Person stopped and turned back, looking thoroughly troubled, as though he did not know whether to laugh or cry. "Ah, my two worthy nephews! Don't put this old man in such a difficult position. Am I the sort to murder a fellow cultivator for money?" Despite his words, his shifty little eyes brimmed with amusement. Clearly, he was sorely tempted.
"..." Li Xiaoya had seen through him. This supposed Formation Master, the master of the Four Symbols Grotto-Heaven, was actually an old money-grubber who apparently would take any job if offered enough spirit stones. No wonder the two Sun Xings had been so delighted to see him. Smiling faintly, Li Xiaoya stepped forward and said, "Senior Grotto-Heaven, if you help me kill these two Sun Xings, I'll give you two hundred million spirit stones!"
"Two hundred million!" Grotto-Heaven True Person's eyes nearly bulged out of their sockets, and he cried out in delight. Then, on second thought, his expression chilled. "Hmph! Don't try to bluff me. You have two hundred million spirit stones?" He paused, then continued with a righteous expression, "Even if you offered two hundred million spirit stones, considering my relationship with these two worthy nephews, I would