Chen Rui did not massacre the Mammoth Tribe. He merely used the methods of the Winter Domain to temporarily rob those orcs of their fighting strength, lest they catch up to Koradiva's caravan and vent their resentment in revenge.
Koradiva had not made this trip for nothing. While Chen Rui interrogated several orcs, the merchant rode the lingering prestige of the "powerful elf" and threw his weight around like a fox borrowing a tiger's might, obtaining some of the medicinal ingredients he wanted. Still, Koradiva was clever enough not to be excessively greedy, leaving behind the goods he had brought.
By the time Chen Rui finished questioning them, Koradiva had swiftly completed the exchange and loading. His timing was perfect, and he ultimately left the Mammoth Tribe together with Chen Rui.
To express his gratitude, Koradiva gave Chen Rui a hand-drawn detailed map of the Nightmare Plain when they parted. Compared to the one Michelle had given him, this map could only be considered second-rate, but in terms of practical value, it was ten times better. It marked every region and passage in detail, as well as the tribes and dangers they might encounter.
With this map, combined with the elves' magical map and the information he had learned from the orc captives, Chen Rui could reach the Thunderstorm Tribe in the shortest possible time.
Blanche had most likely already been sent to Doom Swamp, but to be safe, he still had to make a trip to the Thunderstorm Tribe first. The Thunderstorm Tribe and Doom Swamp lay in the same direction, and the former was the only road leading to the latter.
The Thunderstorm Tribe was the most powerful orc tribe on the Nightmare Plain. It was said to possess the royal bloodline of the old Orc Empire, and