Pathognomonic of maniac episode is
Mania tends to occur in episodes lasting 3-4 months followed by complete clinical cure In mania, there can be delusions of grandeur(grandiosity) with markedly inflated self-esteem. A delusion of persecution may sometimes develop secondary to a delusion of grandeur. (Ref: a sho textbook of psychiatry, Niraj Ahuja, 7th edition, pg no.69)
Elevated mood
Grandiosity
Decreased appetite
Increased sleep
Mood disorders