Astaroth/Labyrinth of Chaos

Astaroth is a Succubus and one of the Lilith Sisters in Monster Girl Quest: Paradox.

Biography
Like the other bosses of the Labyrinth of Chaos, you can't talk to her; there is no rape scene upon being beaten by her, and you shouldn't be able to beat her.

Attacks

 * Succubus Slap - One Foe, Physical
 * Tera Cyclone - All Foes, Auto-Hit, Magical, Wind Attribute, 3 Turns Cooldown
 * Lilith Orgia - All Foes, Physical, Pleasure Attribute, Horny/Trance 75%
 * Demon Eyes of Sleep - All Foes, Magical, Sleep 75%, 5 MP
 * Final Demon Eyes - All Foes, Magical, Poison/Blind/Silence 50%, Confusion/Sleep/Paralysis 25%, 15 MP
 * Invitation to Death - All Foes, Auto-Hit, Magical, Incapacitates Sleeping Characters, 6 MP
 * Romanus Teri Al/El - One Foe, Physical, Pleasure Attribute
 * Melo Sophi Dora - One Foe(Luka), Physical, Pleasure Attribute
 * Tail Drain Dora - One Foe(Luka), Physical, Pleasure Attribute, Bind 50%(Luka Struggle State 100%), HP Drain
 * Tail Drain Dora - One Foe(Struggling Luka), Auto-Hit, Pleasure Attribute, HP drain,
 * Extreme Gale - Self Buff, 3 Turns, +200% Accuracy, +100% Physical Evasion

Strategy
Basic Labyrinth superboss strategy apply there, however, a few points of note: Check here and here for detailed information on all the superbosses and everything you can make use of to defeat them.
 * Most of her attacks can be dodged/reflected.
 * You can inflict Silence on her with reflected spell.
 * 75% Physical Evasion means any such attack needs buff to reliable hit largely Bullseye Song or Slow/Stop.
 * Only Labyrinth superboss that lacks a form of dispel all.

A battle against her with only part 1 equipment, no Crisis Hairpin and no stats upgraded can be seen here.