Talk:Karthus/@comment-89.204.137.106-20110623183404/@comment-84.145.199.13-20110624103311

there is a "red ray from the sky" animation on every enemy while channeling the ult before it actually strikes the target after 3 seconds.

this ray will however not "reveal" the enemies on the map if that is what you are asking for/if i get your question right there, you will not get vision on them while channeling by the skill itself (unlike caitlyn´s ultimate for example which gives you vision throughout the whole channeling even if the enemy runs anywhere out of allies´ sight).