Updated 3 skills and PVE

1,In PVE mode,Change NPC HP from 68000 to 3000,change NPC attack damage from 100/450 to 50/100,change NPC spell damage from 150/500 to 50/100.
2,Updated skill value:
HP recovery:From 10/sec to 20/sec,
Mp recovery:From 20/sec to 30/sec,
Health regeneration:Regenerates HP from 150 to 200;