The air around Marcus crackled with energy as he stood amidst the rubble of the fallen stone guardians. His sword was still in hand, its blade now coated with the remnants of the battle. The silence that followed the last crash of stone was deafening, the eerie stillness of the ruins a stark contrast to the chaos of the fight that had just taken place. However, something didn't feel right. The very ground beneath him seemed to pulse with a hidden power, as if the earth itself was alive and breathing.
His instincts screamed at him, urging him to remain alert, but the System's words lingered in his mind.
**System Notification: "Warning: Unknown force detected. Something is coming. Prepare yourself."**