Difference between Insane and Berserk

INSANE vs BERSERK: NOUN

One of the ancient Norse warriors legendary for working themselves into a frenzy before a battle and fighting with reckless savagery and insane fury
One that is violent, upset, or unrestrained.
A berserker.
Same as berserker.
One of a class of legendary heroes, who fought frenzied by intoxicating liquors, and naked, regardless of wounds.
One who fights as if frenzied, like a Berserker.
A crazed Norse warrior who fought in a frenzy.

Afflicted with or characteristic of mental derangement
Of, exhibiting, or afflicted with mental derangement. Not used in psychiatric diagnosis.
Characteristic of or associated with persons who are mentally deranged.
Intended for use by such persons.
Having been determined to be in a condition that meets the legal definition of insanity.
Immoderate; wild.
Very foolish; absurd.
Exhibiting unsoundness or disorder of mind; not sane; mad; deranged in mind; delirious; distracted. See insanity, 2.
Used by, or appropriated to, insane persons.
Causing insanity or madness.
Characterized by insanity or the utmost folly; chimerical; unpractical
Very foolish

Not sane; unsound or deranged in mind; crazy.
Characteristic of a person mentally deranged; hence, wild; insensate; senseless.
Devoted to the use or care of the insane: as, an insane asylum.
Making insane; causing insanity.
Synonyms Crazed, lunatic, demented, maniacal.

Nutty, Schizophrenic, Paranoid, Loony, Batty, Maniac, Psychotic, Unhinged, Deranged, Demented, Idiotic, Mad, Bonkers, Lunatic, Crazy

Doolally, Awry, Apeshit, Haywire, Packaged, Fool, Nuts, Crazy, Mad, Possessed, Demoniac, Demoniacal, Insane, Amuck, Amok

Nutty, Schizophrenic, Paranoid, Loony, Batty, Maniac, Psychotic, Unhinged, Deranged, Demented, Idiotic, Mad, Bonkers, Lunatic, Crazy

Doolally, Awry, Apeshit, Haywire, Packaged, Fool, Nuts, Crazy, Mad, Possessed, Demoniac, Demoniacal, Insane, Amuck, Amok

This whole situation is insane and quite frankly is making me insane.
This is one insane quest fit for one insane faction of isolated geniuses.
Even if not deemed legally insane, a serial killer is certainly morally and ethnically insane.
If you want to demonstrate that someone is insane, then they gotta fucking look insane.
He acts insane but tries to insist I am the one who is insane.
Do people living through insane times realize just how insane that time is?
Asa was insane; but Asa was insane because the deed itself was insane.
Finally, I went insane, and not the good kind of insane either.
The people are all insane, the other animals are all insane, the earth is insane, Nature itself is insane.
Insane stunting circuits, insane jumps, insane speeds: Trackmania Turbo has it all.

Contains abilities such as Sleep, Silence and Berserk.
His berserk skill has been upgraded as well!
The neighbors were driven berserk by his singing.
MAX FACTORY Berserk figma Guts Black Swordsman Ver.
Berserk world properly, battles would become too easy.
He tweeted something and my phone went berserk.
According to police, the man had gone berserk.
The berserk goes into a berserk rage and begins to bellow and bite his shield.
Berserk mode on your team at any time, effectively recreating this Berserk field anywhere you want!
Berserk Barbarians have the special ability of going berserk in combat.