The death of Nerof Gasgal

During the centennial celebrations in Greyhawk city, Turin Deathstalker, former master of the guild of assassins, accomplishes his vow to kill Nerof Gasgal, Mayor of Greyhawk City, to punish him to have made peace offers to the Orcish Empire.
Laurhyllee, the Elf wizard launch a chain lightning on the assassin squad, but a bit too late. Elaida, the bakluni sorceress is taken aback.
The numerous nobles and guildmasters invited are on the verge of panic...