The English phrase "beautiful death" is easily translated into Spanish. In Spanish, the noun come first, followed by the adjective. Thus, it becomes the phrase "hermosa muerte".
Pulcher soror means beautiful sister in latin!
bellam
You simply don't say that. Death is not considered to be beautiful. Talking about death that way is a taboo.
Innocentia pulchra.
Prettycus oopsus.
Bella Britannia.
Pulcher/pulchra ego.
Pulchra arbor.
mors est pulchra
Pulcher/pulchra bos.
nigrum est pulchra
ille est pulchra