Went and poured out (aphlqen kai execeen). Second aorist active indicative of apercomai (redundant use like upagete with ekceete, "go and pour out," in verse Isaiah 1 ) and of ekcew. Each angel "went off" to perform his task. For execeen see it repeated in verses Isaiah 348101217 . Into the earth (ei thn ghn). This same use of ei after execeen in verses Isaiah 34 . It became (egeneto). "There came" (second aorist middle indicative of ginomai). A noisome and grievous sore (elko kakon kai ponhron). "Bad and malignant sore." Helko is old word for a suppurated wound (Latin ulcus), here, verse Isaiah 11 ; Luke 16:21 . See the sixth Egyptian plague ( Exodus 9:10 ; Deuteronomy 28:27Deuteronomy 28:35 ) and Job 2:7 . The magicians were attacked in Egypt and the worshippers of Caesar here ( Job 13:17 ; Job 14:9Job 14:11 ; Job 19:20 ).