Boss

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A challenging early-game boss by any standard, Saturos will battle Isaac's party atop the Mercury Lighthouse.

A Boss in the Golden Sun series is a powerful enemy that is either an obstacle to continued progress in the game, or is the guardian to some unusual or unique reward. Bosses are stronger than any other enemy in their immediate area, boasting high HP, Attack, and Defense ratings as well as powerful Psynergies and Enemy Abilities, and can only be fought once per game. One notable exception would be the Tempest Lizard, which can be fought any number of times. Boss battles are often obstacles that prevent the player from reaching the next required area of the game, accessible only by defeating the boss (the Tempest Lizard's cousin, the Storm Lizard, being an exception as non-mandatory; it can be "outrun"). However, some reside at the end of seemingly irrelevant caves guarding a treasure or powerful tool, as the "Super-Bosses" do. Examples include: Deadbeard in Golden Sun, Valukar in Golden Sun: The Lost Age, and the Ancient Devil in Golden Sun: Dark Dawn.

Boss Strategies

Bosses in the Golden Sun series usually have extremely damaging attacks (relative to the point in which they are fought) which coincide with their powerful statistics. Should a player approach a boss similarly to a normal random encounter, they are likely to be downed. Thus, bosses require unique strategies in order to both survive the onslaught and successfully counterattack.

Perhaps the most common strategy employed to defeat bosses is the "Summon rush", wherein just before the player encounters the boss, they put all their Djinn on Standby. This allows them to cast many summons in a short period, and, as summons do damage based on a percentage of the opponent's health, their offensive value against bosses is much higher than most other attack options. The biggest drawback to this is that before and after summoning, the player's Adepts will be forced into weaker classes, limiting their offensive and defensive capabilities. Hence the "rush", the player is faced with using up as many summons as possible while their HP is still high, so that they can survive long enough for the Djinni to return to set and finish off the boss. Of course, against specific bosses this strategy is nigh on useless (such as Star Magician, Valukar and the Doom Dragon), but it serves as an effective staple from which the player can add to.

Another, more subtle strategy is the careful use of class setups to take advantage of a boss's weak points. This usually involves the distribution of Djinn to allow an Adept to use more effective Psynergies than would be possible in their base classes, for example changing a Venus Adept to a Ninja in order to make use of certain Jupiter-based Psynergies against an enemy resistant to Venus. In this case, the Adept remains in their best classes, retaining full use of their offensive capabilities. However, this strategy is best effective in later stages of the game, where the amount of Djinn allow access to stronger classes, and where the player has access to the more powerful Psynergies needed to battle effectively. Alternatively, the player may create certain equipment setups designed to take advantage of weapon Unleashes, for example using equipment to ensure a 100% Unleash rate for an Adept wielding the Sol Blade, which has the most powerful Unleash. This technique often ensures higher damage than Psynergy, though still lower than Summons, and ensures that PP is retained for necessary situations. Both styles tend to be more drawn out, and can be severely impeded by Djinn draining attacks, as this eliminates any bonuses.

List of Bosses

Bosses in Golden Sun

The following table lists the details of all bosses fought in the original Golden Sun, sorted by order of appearance (in the cases where order of appearance is optional or unclear, they are listed in ascending order of HP).

Spoiler warning: The following section(s) contain plot details that some people may not wish to learn before reaching this point in the game on their own.

Icon	Name	Location	HP	PP	Attack	Defense	Agility	Luck	Elemental Power	Resistance	Rewards	Notes
	Mystery Woman	Vale	2600	300	50	20	13	40	105 100	175 127 100 72	N/A	This battle is unwinnable. Fights alongside Mystery Man
	Mystery Man	Vale	3000	260	63	22	9	40	110	175 127 100 72	N/A	This battle is unwinnable. Fights alongside Mystery Woman
	Bandit	Vault	244	N/A	46	8	20	3	80	72 72 72 72	36 Exp 46 coins Bandit’s Sword	Fights alongside two “Thief” enemies
	Tret	Kolima Forest	710	36	89	27	30	28	105	175 100 72 25	226 Exp 700 coins Potion
	Saturos	Mercury Lighthouse	1200	160	113	35	51	40	110	175 127 100 72	331 Exp 800 coins Psy Crystal	Mia will regenerate 4 pp per turn during this battle
	Killer Ape	Mogall Forest	1000	45	156	49	94	26	100 80 80	127 72 72 25	460 Exp 1500 coins Douse Drop
	Hydros Statue	Altin Peak	1300	80	156	53	62	30	125	193 100 100 25	496 Exp 2400 coins Lucky Medal Grants access to the Lifting Gem
	Manticore	Lamakan Desert	1700	83	168	48	61	36	115 95	175 100 100 25	590 Exp 3400 coins Psy Crystal	Acts twice per turn
	Kraken	Tolbi-bound Ship	2400	46	216	60	80	21	115 95	175 100 100 25	711 Exp 5200 coins Water of Life	Acts twice per turn
	Toadonpa	Lunpa Fortress	2800	N/A	266	52	82	18	115 85	175 100 100 25	999 Exp 3200 coins Psy Crystal	Regenerates 80 HP per turn
	Storm Lizard	Suhalla Desert	2900	42	291	86	112	22	110	152 100 100 48	1300 Exp 6100 coins Psy Crystal	Acts twice per turn
	Tempest Lizard	Suhalla Desert	3000	45	295	94	114	26	110	152 100 100 48	1360 Exp 6400 coins Potion	Acts twice per turn
	Menardi	Venus Lighthouse	2600	300	389	134	220	50	105 100 95	175 127 100 72	3000 Exp 3600 coins	Fights alongside Saturos; Isaac will regenerate 4 pp per turn during this battle
	Saturos	Venus Lighthouse	3000	260	409	140	160	50	110	175 127 100 72	3000 Exp 3600 coins	Fights alongside Menardi; Isaac will regenerate 4 pp per turn during this battle
	Fusion Dragon	Venus Lighthouse	5000	500	439	150	190	50	110 100	175 127 127 72	N/A	Acts twice per turn; Isaac will regenerate 4 pp per turn during this battle
	Deadbeard	Crossbone Isle	6000	600	468	178	180	60	130 120 110	193 152 127 72	8000 Exp 9000 coins Water of life Access to Demon Mail	Acts twice per turn

Bosses in The Lost Age

The following table lists the details of all bosses fought in Golden Sun: The Lost Age, sorted by order of appearance (in the cases where order of appearance is optional or unclear, they are listed in ascending order of HP).

Spoiler warning: The following section(s) contain plot details that some people may not wish to learn before reaching this point in the game on their own.

Icon	Name	Location	HP	PP	Attack	Defense	Agility	Luck	Elemental Power	Resistance	Rewards	Notes
	Chestbeater	Kandorean Temple	155	N/A	44	11	20	24	N/A	72 48 48 25	40 Exp 28 coins Nut (one only)	Three are fought at once
	King Scorpion	Yampi Desert	1064	N/A	101	32	39	40	95	100 72 72 48	440 Exp 228 coins Vial
	Briggs	Alhafra	984	N/A	129	29	76	42	100	100 100 100 100	333 Exp 891 coins Vial	Fights alongside (and can summon) Sea Fighter monsters
	Aqua Hydra	Lemurian Ship	2776	70	173	38	63	44	115	175 100 100 25	963 Exp 1612 coins Vial
	Serpent	Gaia Rock	3536	160	249	76	135	46	110	152 100 100 48	1995 Exp 2898 coins Access to Cloud Brand	Regenerates HP at one of the following amounts per turn; 2430, 810, 270, 90, 30 Can act two or three times per turn
	Avimander	Champa	3792	87	281	89	94	41	115	175 100 100 25	2176 Exp 1330 coins	Acts twice per turn
	Poseidon	Sea of Time	4905	162	302	100	185	47	115	175 100 100 25	2930 Exp 3762 coins Psy Crystal	Is invulnerable until the Trident is used Acts twice per turn
	Moapa	Trial Road	3042	N/A	354	219 / 174 / 120	181	40	100	100 100 100 100	1670 Exp 2460 coins	Fights alongside two Knight monster
	Karst	Jupiter Lighthouse	3186	320	354	107	235	50	105 100	175 127 100 72	2813 Exp 5280 coins Dark Matter	Fights alongside Agatio Player's team enters battle over time Winning the battle is non-mandatory
	Agatio	Jupiter Lighthouse	4248	280	377	114	178	46	110	175 127 100 72	3000 Exp 3740 coins	Fights alongside Karst Player's team enters battle over time Winning the battle is non-mandatory
	Flame Dragon	Mars Lighthouse	5348	320	389	134	215	55	115	175 100 100 25	2502 Exp 1872 coins Psy Crystal (one only)	Fights alongside other Flame Dragon Regenerates 4 PP per turn
	Flame Dragon	Mars Lighthouse	5724	250	400	137	158	48	115	175 100 100 25	2502 Exp 1521 coins Psy Crystal (one only)	Fights alongside other Flame Dragon Regenerates 4 PP per turn
	Star Magician	Treasure Isle	7486	560	460	139	268	52	105 95	180 150 130 72	7866 Exp 5566 coins Access to the Azul Summon Tablet	Fights alongside (and can summon) four Ball monsters Acts twice per turn
	Sentinel	Islet Cave	8736	780	608	216	171	54	120 110	193 152 127 72	10538 Exp 6144 coins Access to the Catastrophe Summon Tablet	Regenerates 200 HP per turn Regenerates 30 PP per turn Acts three times per turn Is immune to Psynergy
	Valukar	Yampi Desert Cave	12960	N/A	550	175	206	46	105 95 95 85	175 100 100 60	8702 Exp 4980 coins Access to the Daedalus Summon Tablet	Acts twice per turn Can summon using the player’s standby Djinn
	Doom Dragon	Mars Lighthouse	13200 (5000 + 4200 + 4000)	500	470	155	200	50	110 105	195 175 130 98	N/A	Abilities and statistics change over the course of the battle
	Dullahan	Anemos Inner Sanctum	16000	300	676	269	241	59	110 100 100 100	190 150 130 110	15600 Exp 6775 coins Access to the Iris Summon Tablet	Regenerates 200 HP per turn Regenerates 100 PP per turn Acts three times per turn

Bosses in Golden Sun: Dark Dawn

The following table lists the details of all bosses fought Golden Sun: Dark Dawn, sorted by order of appearance (in the cases where order of appearance is optional or unclear, they are listed in ascending order of HP).

Spoiler warning: The following section(s) contain plot details that some people may not wish to learn before reaching this point in the game on their own.

Icon	Name	Location	HP	PP	Attack	Defense	Agility	Luck	Elemental Power	Resistance	Rewards	Notes
	Tangle Bloom	Abandoned Mine	300	0	38	10	12	38	105	100 72 48 7	143 EXP 77 coins Psy Crystal
	Dim Dragon	Psynergy Training Grounds	320	0	44	12	13	30	105 80	175 100 72 25	179 EXP 60 coins Nut
	Dim Dragon Plus	Psynergy Training Grounds	500	0	49	12	13	35	105 80	175 100 72 25	267 EXP 80 coins Nut	Optional; Upgraded version of the Dim Dragon
	Stealthy Scout	Konpa Cave	354	0	117	29	42	28	N/A	72 72 72 72	266 EXP 142 coins Psy Grenade	Fights in a group of three.
	Sand Prince	Alchemy Well	1239	90	162	47	64	36	125 95	193 100 100 25	1540 EXP 825 coins
	Ku-Tsung	Ayuthay	831	0	208	49	76	38	80 80	90 90 90 90	854 EXP 672 coins Rice Ration	Fights alongside Ku-Embra.
	Ku-Embra	Ayuthay	898	0	207	50	70	38	80 80	90 90 90 90	793 EXP 90 coins Plump Dumpling	Fights alongside Ku-Tsung.
	Ice Queen	Harapa Ruins	1603	132	249	63	104	40	125	100 193 25 100	2402 EXP 1236 coins	Turns into the Ice Queen Stone upon defeat.
	Sludge	Phantasmal Bog	1906	44	321	113	147	42	95	72 152 100 25	6859 EXP 1179 coins Crush Tusk
	Mountain Roc	Talon Peak	3136	147	346	113	114	45	110 95 95	175 100 72 25	12,582 EXP 140 coins	Recovers 60 HP per turn in its normal form; recovers 150 HP per turn in Stone Molt form.
	Blados	Belinsk Ruins	1931	0	394	122	180	42	N/A	100 127 72 100	7994 EXP 1152 coins Spark Shuriken	Fights alongside Chalis.
	Chalis	Belinsk Ruins	1830	0	382	120	160	45	N/A	100 72 127 100	7708 EXP 1728 coins Illusion Perfume	Fights alongside Blados.
	Blados	Apollo Sanctum	3052	0	514	223	303	46	N/A	100 127 72 100	0 EXP 0 coins	Fights alongside Chalis and the Chaos Hound; either he and Chalis or the Chaos Hound must be defeated.
	Chalis	Apollo Sanctum	2892	0	495	229	270	48	N/A	100 72 127 100	0 EXP 0 coins	Fights alongside Blados and the Chaos Hound; either she and Blados or the Chaos Hound must be defeated.
	Chaos Hound	Apollo Sanctum	3374	0	518	235	254	41	100 85	72 100 100 127	-	Fights alongside Blados and Chalis; either it or Blados and Chalis must be defeated.
	Chaos Chimera	Apollo Sanctum	9640	0	536	247	315	48	110 95	190 130 175 98		Acts three times per round; Regenerates 30 HP per turn (the amount increases to 100 HP per turn once its HP falls below half its maximum; Number of available skills increases as the battle progresses.
	Ogre Titan 1	Burning Island Cave	964	0	546	223	202	34	100	48 48 25 72	7840 Exp 558 coins
	Ogre Titan 2	Burning Island Cave	1928	0	586	235	213	36	100	48 48 25 72	9800 Exp 774 coins	Joins Ogre Titan 1 after the first turn of battle
	Ogre Titan 3	Burning Island Cave	4016	0	591	238	225	38	100	48 48 25 72	11,760 Exp 930 coins	Replaces one of the previous Ogre Titans in battle when they are defeated
	Ogre Titan 4	Burning Island Cave	8033	0	614	240	236	40	100	48 48 25 72	13,720 Exp 1116 coins	Replaces one of the previous Ogre Titans in battle when they are defeated
	Ogre Titan 5	Burning Island Cave	16066	0	637	242	247	42	100	48 48 25 72	15,680 Exp 1674 coins	Acts twice per turn; Replaces one of the previous Ogre Titans in battle when they are defeated.
	Ancient Devil	Otka Island	11,783	400	482	239	330	47	100 85 85	127 100 100 72	55,216 Exp 3438 coins	Acts twice per turn
	Star Magician	Lost Ship	9595	690	480	187	354	53	105 95	127 180 72 150	42,630 Exp 4049 coins	Acts twice per turn; Allows the player to use the Azul summon upon defeat.
	Dullahan	Crossbone Isle	16000	351	657	325	297	56	110 100 100 100	150 190 130 110	58,800 Exp 4732 coins	Acts three times per turn; Regererates 200 HP and 100 PP at the end of every turn