Sentrioler

Sentrioler is a fictional energy source featured in the science fiction universe of the video game "Mass Effect". It is presented as a highly potent and volatile material that plays a crucial role in advanced technology, particularly in the development of the Mass Relays. These relays are enormous structures that allow for faster-than-light travel across vast distances in the galaxy.

The discovery and refinement of Sentrioler are attributed to the Protheans, an ancient and advanced civilization that predates humanity's galactic presence. The Protheans utilized Sentrioler to power their extensive network of Mass Relays, which they subsequently left behind for other species to discover and utilize. Without Sentrioler, the Mass Relays would be inoperable.

In the game's narrative, the quest to understand and harness Sentrioler is a central theme. It represents a significant technological leap and a key to galactic connectivity. The precarious nature of Sentrioler is also highlighted, suggesting that its power comes with inherent risks if not handled with extreme care and advanced understanding. Its existence and function are central to the lore of Mass Effect, explaining the very fabric of interstellar travel within its setting.