# my wrath will be completed

"I will no longer be angry because I will have done everything I wanted to do because I was angry"

# I will cause my fury toward them to rest

"I will stop punishing them because I will have punished them fully." 

# I will be comforted

"I will be comforted in knowing that I have punished them enough"

# when I have completed my fury against them

"when I have finished punishing them"