Spartacus (Berserker) 3 Breaks: 401,820 HP 499,560 HP 575,580 HP
How to beat Spartacus
(At start of battle) Applies Buster performance down to all frontline Servants for 3 turns.
(Unremovable) Recovers 100,000 HP at the end of every turn + Greatly Increased Critical Rate against King Servants.
Grants 3 delayed HP Recovery skills (heals 90,000 HP, each activate at turns 3, 6, and 9 respectively). Recasts when removed, or when the duration is up.
(Active skill) Fills one NP bar.
(Active skill - Unremovable) Drains HP to gain Damage Up.
(Break 1 & 2) Recasts the 3 delayed HP Recovery skills.
Act 2: Great Gokumaru's Malediction
Oni Imp (Saber) x3
Suzuka Gozen (Saber) 3 Breaks: 272,916 HP 311,904 HP 363,888 HP
How to beat Suzuka Gozen
Suzuka Gozen's skills
(Unremovable) Reduced NP gain when she hits party servants.
Applies a Taunt debuff to a random party member in her turn for one turn.
(Initial - Unremovable - Removed at Break 1) The following buffs are applied in cycles at the start of every turn:  Changing Weakness - Quick: Increases resistance to Arts and Buster cards for one turn.  Changing Weakness - Arts : Increases resistance to Quick and Buster cards for one turn.  Changing Weakness - Buster : Increases resistance to Quick and Arts cards for one turn.
(Break 1 - Unremovable - Removed at Break 2) Changes class at the start of every turn. (Class cycles between Lancer > Rider > Caster).
(Break 2 - Unremovable) Gain reduced damage from all sources.
(Break 2 - Unremovable) If she is hit by a Servant with the correct alignment, applies a debuff on herself, which decreases her damage reduction. The correct alignment changes every turn, between Good(善), Neutral(中庸), or Evil(悪).
Act 3: Fall Like Rain, Meteor
Sea Demon (Archer) x3
Arash (Archer) 5,308,380 HP
How to beat Arash
(Unremovable) NP pierces Invulnerability and Evasion.
(Unremovable) Guts 3 times (2,100,000 HP).
(Unremovable) Buff Removal Resistance Up.
(Unremovable) Stun Immunity.
(Activated the turn after his third Guts is used) Charge NP gauge to max and apply Guts (1 time) to self.
The most effective way to win this battle is to let him unleash Stella five times, thus killing himself.
There are two major ways to survive these Stellas:  Defense buff stacking (100%). Recommended Servants: Tamamo no Mae, Mash Kyrielight, Zhuge Liang  Guts. Recommended Servants: Irisviel von Einzbern, Heracles (with bond CE), Nero Claudius (*4 version)