Great Strength is a very important Bhodisattva
in Pure Land Study; he is one of the two great Bodhisattvas who
are the constant companions of Amitabha Buddha in the Pure Land.
In pictures of Amitabha, Great Strength Bodhisattva is often shown
standing to the Buddha's right (our left), while Bodhisattva Guan
Yin -- Amitabha's other constant companion -- stands to his left