who here found sephy awesomely easy?

[TheSpoonyBard]

yet he only takes 6000 life off you?

The damage formula for Super Nova is [Target's HP * 15/16].

Try getting all your characters to level 99 and using KoTR on Jenova:Synthesis and see just how much easier he is

To elaborate, here are the specifics.

Safer*Sephiroth's stats change depending on various factors:
+30,000 Max HP, 2 Att, 20 Def, 5 MAt, 16 MDf per character at L99
+80,000 Max HP if you cast Knights of Round on Jenova*SYNTHESIS

You can lower Safer's max HP by 100 every time you kill Bizarro's Head. This can be done repeatedly to remove up to 24,900 HP.