Sackcloth, Fasting, and Lament
Mordecai responds publicly with torn clothing, sackcloth, ashes, and bitter lament. The same response spreads throughout the provinces wherever the decree arrives. The narrator explicitly mentions fasting but, strikingly, does not explicitly mention prayer or God in the Hebrew form of Esther.
That silence is important. Later Greek forms of Esther add prayers for Mordecai and Esther and make divine action explicit. Those additions show how ancient Jewish readers themselves sometimes supplied religious language that the Hebrew story leaves implicit.