Great Eastern Sea

From Golden Sun Universe
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The vast body of water to the East of Weyard's main landmasses (Angara and Gondowan) makes up the Great Eastern Sea.

The Great Eastern Sea (大イースト海, Great East Sea) is a huge ocean that constitutes the largest body of water in Weyard. It has a counterpart in the Great Western Sea. The Eastern Sea meets the majority of coastline on Angara, Indra and Osenia and large portions of the coastline of Gondowan and Tundaria.

The Eastern Sea has many large land masses situated entirely within it such as Izumo, Treasure Isle, Sea of Time Islet and the Apojii Islands, as well as three Islets of medium importance. The Eastern Sea also completely surrounds the turbulent Sea of Time (which in itself surrounds the island city of Lemuria). Due to swift currents, dangerous reefs and perpetual mists that surround the smaller Sea of Time, the two seas are considered distinctly separate areas despite sharing the same waters.

As of the beginning of The Lost Age, the Great Eastern Sea and the Great Western Sea are divided by a continuous mass of land, reefs and ice, as upon the activation of Venus Lighthouse, rocks made the seas north of Tundaria impassable and the continent of Indra was shifted to block the sea route that had previously existed between Osenia and Gondowan. The Eastern Sea is a lifeline of trade and travel for coastal locations such as Champa, Apojii Islands, Alhafra and Lalivero (while Lalivero isn't strictly on the coast, it has ready access to the sea).

After the Golden Sun event, the Great Eastern Sea is drastically altered, and splits into two halves, with the northern portion being at a higher elevation than the southern half. The northern half borders Angara, and includes the island of Nihan, as well as several newer islands, such as Otka Island, Harun Island, and others. The northern half now includes several smaller, ill-defined seas, the Otka Sea and the Sanan Sea. These areas are home to trade routes between cities in Angara, such as Tonfon and Port Rago, and island cities such as Yamata and Harun Village.

The status of the southern half is not well-known. However, it can be presumed to border the continents of Gondowan, Indra, Osenia, and Tundaria.

At the edge of the world, the Eastern Sea continually spills off the edge creating a giant waterfall called Gaia Falls. Currents near Gaia Falls are stated to be fast and treacherous. Despite the massive amounts of water that fall over the edges, the oceans never run out of water.


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.

The Lost Age

Upon the activation of the Venus Lighthouse, the great demigod Poseidon awakens, triggering a massive Tidal wave that washes out of the Seas of Time and travels across the Eastern Sea, hitting Idejima and shifting the continent of Indra as it makes landfall. Around this time, the Eastern Sea's temperature begins to rise, rapidly depleting fish stocks. This, coupled with the destruction of all major boats by the tidal wave, makes fishing a difficult industry to be in, which is devastating for the citizens of Champa, who rely solely on fish for their livelihood. Seeking a new source of income, Briggs and his crew set out, eventually becoming notorious pirates who steal with a great deal of success before they are apprehended by Felix in Alhafra.

As for Felix's party, after having recruited Piers and, by extension, his Lemurian Ship, they set out to explore the Great Eastern Sea. They do this for several reasons, firstly, to acquire the skills necessary to navigate the Seas of Time without falling victim to the swift and dangerous currents located within. Secondly, to find any Psynergy, that might aid them in their quest to light the remaining Elemental Lighthouses, most notably from the Elemental Rocks (specifically Gaia and Aqua Rocks). They soon find their respective tasks are impossible, as the former is blocked by the massive sea beast, Poseidon, who is invulnerable to all their attacks, and the latter by a jagged rock reef sitting in the middle of the only possible route to the Great Western Sea at Gondowan Cliffs. To fell Poseidon, the group is forced to collect the three prongs of the Trident of Ankohl from various towers scattered across Weyard, which they re-forge into the legendary weapon using Champa's ancient forge. This allows them to enter Lemuria, where the King, Hydros, gives them the Grind Psynergy, enabling Felix to clear away the reefs that were blocking his party's passage through Gondowan Cliffs, finally allowing them to access the Great Western Sea.

Other notable events that the party perform in the Eastern Sea include saving the village of Izumo from the terror of Gaia Rock's Serpent, inadvertently giving the pirate Briggs a means to escape Alhafra and meeting Agatio for the first time (his partner, Karst will be met before the party heads out to sea).

Dark Dawn

After the Grave Eclipse begins, Matthew's party of Adepts takes to the sea in the recently repaired sailing ship to escape Belinsk, which has been overwhelmed by evil monsters. The initial departure is treacherous, due to a fierce storm, but the ship survives. The next morning, the Adepts hold a meeting to determine their next plans. They come upon two goals: to find an area where they can view the Eclipse from the outside, and to speak with leaders of various cities located in or near the sea to find out any information about stopping the eclipse.

The Adepts first travel to Harun Village, where they learn of a legend regarding the Watchtower, a mysterious tower that appeared at the Eclipse's rise. Matthew's party explores the tower and gains its treasure, the Third Eye. The party then sails to the nearby island of Nihan, where Yamata is located. Here, they learn that the Apollo Lens, located in the heart of Angara can end the Eclipse. However, the Lens can only be explored by those warriors that possess the Umbra Gear, a set of equipment that shields the wearer from the intense light in the area. Each piece of the Umbra Gear is located in a different area, mostly remote islands in the Great Eastern Sea. With this in mind, the party explores the Eastern Sea to collect each piece. At times, they sail back into the Eclipse's shadow, encountering the same evil monsters as were at Belinsk.

At some point, Matthew's party encounters a whirlpool located near the middle of the sea. This whirlpool grants access to a lower portion of the sea, granting the party access to Crossbone Isle.

Bestiary (The Lost Age)

There are many monsters lurking in the deeps of the ocean that can be encountered in Golden Sun: The Lost Age.

Bestiary of the Great Eastern Sea
Monster Name LVL HP ATK DEF AGI EXP Coins Weakness Drop Drop Rate
Calamar 21 104 130 34 46 59 79 Star mars.gif Elixir.gif Elixir 1/16
Fighter Bee 21 116 155 38 74 67 90 Star jupiter.gif Elixir.gif Elixir 1/32
Merman 21 162 184 46 93 134 139 Star mars.gif Crystal Powder.gif Crystal Powder 1/32
Seabird 21 133 166 31 110 106 114 Star jupiter.gif Sacred Feather.gif Sacred Feather 1/32
Urchin Beast 21 89 163 54 101 93 79 Star mars.gif Antidote.gif Antidote 1/16

Enemy Formations

  • Group 1: Urchin Beast x1-3
  • Group 2: Urchin Beast x1, Calamar x1-2
  • Group 3: Seabird x1-3
  • Group 4: Seabird x1, Urchin Beast x1-2
  • Group 5: Fighter Bee x1-2
  • Group 6: Fighter Bee x1, Seabird x1-2
  • Group 7: Merman x1-3
  • Group 8: Merman x1, Calamar x1-2

Bestiary (Dark Dawn)

Bestiary of the Great Eastern Sea
Monster Name LVL HP ATK DEF AGI EXP Coins Weakness Drop Drop Rate
Calamar 29 231 251 113 119 516 147 Star mars.gif Antidote DD.png Antidote 1/8
Giant Bat 32 232 265 99 175 355 108 Star jupiter.gif Sleep Bomb DD.png Sleep Bomb 1/16
Gillman 29 226 300 86 135 709 132 Star mars.gif Crystal Powder DD.png Crystal Powder 1/8
Gillman Lord 34 258 340 106 157 1072 142 Star mars.gif Crystal Powder DD.png Crystal Powder 1/16
Harridan 34 346 354 144 199 1175 161 Star jupiter.gif Crystal Powder DD.png Crystal Powder 1/16
Lizard Brute 33 407 361 175 125 1243 170 Star mars.gif Antidote DD.png Antidote 1/8
Slime Beast 33 252 259 121 145 487 142 Star mars.gif Herb DD.png Herb 1/8

Enemy Formations

  • Group 1: Gillman x1-2
  • Group 2: Calamar x1-2, Gillman x0-2
  • Group 3: Giant Bat x1-2, Lizard Brute x0-1
  • Group 4: Lizard Brute x1-2, Giant Bat x0-1
  • Group 5: Gillman Lord x1-2
  • Group 6: Harridan x1-2
  • Group 7: Slime Beast x1-2
  • Group 8: Gillman Lord x1, Slime Beast x1,
  • Group 9: Harridan x1, Slime Beast x1-2
Bestiary of the Great Eastern Sea (Grave Eclipse)
Monster Name LVL HP ATK DEF AGI EXP Coins Weakness Drop Drop Rate
Curse Scuttler 36 394 381 178 179 2153 165 Star venus.gif Star mars.gif Star jupiter.gif Star mercury.gif Weasels Claw DD.png Weasel's Claw 1/16
Dark Spirit 37 391 374 173 204 1236 183 Star jupiter.gif Sleep Bomb DD.png Sleep Bomb 1/16
Deathwisp 36 302 354 156 184 886 148 Star jupiter.gif Smoke Bomb DD.png Smoke Bomb 1/32
Foul Skorpna 37 445 397 196 184 3160 167 Star venus.gif Star mars.gif Star jupiter.gif Star mercury.gif Crystal Powder DD.png Crystal Powder 1/16
Shade Skorpna 36 433 388 181 179 2914 165 Star venus.gif Star mars.gif Star jupiter.gif Star mercury.gif Crystal Powder DD.png Crystal Powder 1/16
Bestiary of the Great Eastern Sea (Crossbone Isle)
Monster Name LVL HP ATK DEF AGI EXP Coins Weakness Drop Drop Rate
Lizard Savage 46 562 482 270 180 2744 204 Star mars.gif
Winged Dragon 46 443 432 180 249 5684 130 Star jupiter.gif

Enemy Formations

  • Group 1: Lizard Savage x1-2
  • Group 2: Winged Dragon x1
  • Group 3: Lizard Savage x1, Winged Dragon x1-2