16. All-knowing:
(a) omnipotent, (b) omniscient, (c) omnipresent
17. Found everywhere:
(a) ubiquitous, (b) omnivorous, (c) omnibus
18. Destruction:
(a) carnage, (b) carnality, (c) reincarnation
19. Stealthy:
(a) voracious, (b) surreptitious, (c) incarnate