You dont have to dldi patch any homebrew with the cyclods evo (slot-1) ... but here is the latest version for patching tools ;-) DLDI V1.2 compatible with SDHC cards ( V1.1 was not )
Or when your player dies, you can say in code, if enemy exists, do nothing, but if enemy does not exist, then create enemy at certain spot. (This would be a pain tho for lots of emeies)