The ☆Seiken Leda (☆聖剣レダ Seiken Reda, lit. Holy Sword Leda; fan translated as ☆Holy Sword of Leda, ☆Leda Calibur, or ☆Bhaumastra) is a divine Sword that appears exclusively in TearRing Saga: Utna Heroes Saga. The holy sword of Leda, it is only usable by Tia. Alongside its sacred counterparts, it is a weapon that is crucial to piercing the scales of Gerxel, as it can negate the effect of ☆Dragon Scale.
When equipped, the sword imbues resistance to Breath attacks, cutting the damage they do by half. Being one of four holy swords of Lieberia, ☆Seiken Leda can only be activated and used upon fusing with its respective ring (in this case, the Ring of Leda).
The name used in the fan translation, Bhaumāstra (भौमास्त्र), is a weapon used by the Hindu earth-goddess Bhūmi. It was capable of creating underground tunnels and summoning gems.