"Charge! Kill these beasts from the Gruul Clans! They are the cancer of this world! The root of all chaos!"
"For justice! For freedom! To achieve everlasting peace! This time, we will eliminate every threat once and for all!"
"Brothers and sisters, do not be afraid! Charge with me! No matter what, today we must slaughter the Boros Legion bastards who dared to attack us first!"
"That's right! Use their blood and heads to prove our valor! Long live the clans!"
Amid earth-shaking battle cries, the Boros Legion, Ravnica's largest organized military force, and the Gruul Clans, who loathed cities and favored a return to nature, primitivism, and savagery, began a brutal battle across an open stretch of the Great Grass Sea.
The former was a military organization with something akin to religious fanaticism. Not only was its conduct extremely radical, but it also favored violent methods to achieve what it considered justice and peace.
The latter resembled the Orcs or barbarians of many worlds who lived by raiding, fishing, hunting, and nomadism. They produced exceptional warriors and hunters, and they fought just as recklessly.
Furthermore, because of their clashing ideals, they had long since become mortal enemies.
More precisely, one of the Boros Legion's primary targets had always been the Gruul Clans, who constantly migrated and raided.
Over thousands of years, members of the two guilds had engaged in countless warm and friendly physical exchanges. Both sides had blood from the other on their hands.
Coupled with the fact that neither organization was particularly calm or rational, and both were the sort to grab a weapon and start fighting the moment they felt even slightly provoked, the current situation was hardly surprising.
After all, even without enemy instigation, the Boros Legion and the Gruul Clans fought every few