sink instantly by [explosion]

be united in one body / joint / incorporate / combination / combine / be combined with / jointly / union / enter into combination with / unite / in union

pray [an enemy] into submission / invoke submission upon [an enemy]

manage a joint venture / joint management

cut down the staff / personnel reduction / reduce the staff / personnel slash / personnel cut

be merged into / join / link up with / unite with

kill *someone / homicide / killing / murder / manslaughter / commit murder

die in prison

cross over to the Pure Land / go to Paradise / enter into Heaven

kill *someone by mistake