an echo nuker is someone who can nuke skill after skill on high damage rate, most echo nukers are becourse of that an elementalist . the build is alway's filled with the elementalist skills and the ones of a health gainer, that's wy most of them are monk or to steal health a necromancer .
one build of an echo nuker is the necro/elementalist, they can steal heath with blood magic while using high level fire magic . they alway's use fireball with a combination of Incendiary Bonds , first use Incendiary Bonds and after 2 seconds fireball, this makes a masive inpact on the enemy's health. this combo is especialy good agains big groups, but be alarmed for hex removers becourse they can spoil the combo.