Megalomania
Megalomania is an obsession with power and wealth, and a passion for grand schemes.
Megalomania or megalomaniac may also refer to:

Psychology
Narcissistic personality disorder
Grandiose delusions
Omnipotence (psychoanalysis), a stage of child development

Albums
Megalomania (Aqua album), 2011
Mania velichia or Megalomania, a 1985 album by Aria
Megalomania (Enslavement of Beauty album), 2001
Megalomania, a 2014 album by Kissin' Dynamite

Songs
"Megalomaniac" (Incubus song), 2004
"Megalomaniac" (KMFDM song), 1997
"Megalomaniac", a 2003 song by +/- from You Are Here
"Megalomaniac", a 2021 song by Aeseaes from "Shapeshifter"
"Megalomania", a 1975 song by Black Sabbath from Sabotage
"Megalomania", a 1983 song by the Blood from False Gestures for a Devious Public
"Megalomania", a 1991 song by Therion from Of Darkness...
"Megalomania", a 1992 song by Pele from Fireworks
"Megalomania", the boss music from the 1994 video game Live A Live
"Megalomania", a 2001 song by Muse from Origin of Symmetry

Other
Mega-Lo-Mania, a 1991 real-time strategy game by Sensible Software

See also
"Megalovania", a 2015 song by Toby Fox  used in several video games
Delusions of grandeur (disambiguation)