The battle raged, the companions' bond guiding their movements.
The Timekeeper's heir unleashed waves of temporal energy.
But the companions stood firm, their bond absorbing the blows.
Echo's energy pulsed, stabilizing the companions' resolve.
Arachne's hands wove intricate patterns, deciphering the heir's defenses.
Luna's magic swirled, illuminating hidden vulnerabilities.
Zephyr's winds whispered secrets, guiding the companions' strategy.
Jax's sword shone brighter, forging a path through uncertainty.
The Keeper's spirit anchored the group, her determination unshakeable.
As the fight continued, the cosmos itself began to shift.
Stars and galaxies realigned, reflecting the companions' movements.
The heir's gaze widened, its power faltering.
"You're... altering the timestream," it said.
The companions exchanged determined glances.
"We're protecting the cosmos," Jax said.