The Storming the City quest can be alternatively completed with the help of Zigur

game/modules/tome/data/chats/derth-attack-over.lua

game/modules/tome/data/chats/myssil.lua

game/modules/tome/data/maps/towns/zigur.lua

game/modules/tome/data/maps/wilderness/eyal.lua

game/modules/tome/data/maps/zones/tempest-peak-top.lua

game/modules/tome/data/quests/anti-antimagic.lua

game/modules/tome/data/quests/lightning-overload.lua

game/modules/tome/data/zones/tempest-peak/zone.lua

game/modules/tome/data/zones/town-zigur/npcs.lua

tiled-maps/eyal2.tmx

tiled-maps/zigur.tmx