A Crown of Swords. Book Seven of the Wheel of Time

In 'A Crown of Swords', the seventh book of Robert Jordan's Wheel of Time series, Elayne, Aviendha, and Mat seek a bowl ter'angreal to combat a relentless heatwave. Egwene gathers women who can channel, while Rand confronts the Forsaken Sammael in the ominous Shadar Logoth, where the deadly mist Mashadar lurks.