Obmuer Temple is the second major area, a flooded ruin full of fish-men. Two Steam walkthroughs (SquidRadio's Part One and Digitol's 100% guide) describe it step by step and agree on the order below. Spoilers for item and boss names.
How do you reach Obmuer Temple?
From the Knight's Encampment, go up to the ruined tower where you found the Rusted Spear and cross the bridge beyond it (SquidRadio). Digitol uses two dashes across a broken bridge to the southwest. You arrive at Aganmi's Camp, which has a Crystal Monument. Raider Captain Aganmi asks you to find his missing crew; you can do that later.
Have at least two Wind Gem dashes and the Dagger Belt. SquidRadio's tip for the water enemies: wait for a full Power Meter, dash into them, circle to line them up, and repeat.
Where are the four slates?
The temple door needs four Triangular Slates, all in the flooded ruins outside:
- On a stone to the left of the round, moss-covered tower in the water.
- On the sunken tower across from the Trident's statue (dash over; skeletons guard it).
- At the end of a ledge where a lizard and a parrot sit.
- Behind a collapsed pillar by the cliff below the statue's platform.
The two guides describe the same four spots in a slightly different order. Next to the slope up to the door, a skeleton points at a hidden wall with a Meal Ticket (SquidRadio).
Where are the Trident and its keys?
Take the Trident from the statue on the raised platform outside the temple. SquidRadio's advice: equip it and keep using it. At level 5 its head breaks off and becomes the Ruby Trident Key; Sharkinbear on Steam confirms the Trident breaks into a key item at level 5.
Inside, the keys work like this (SquidRadio):
- Sapphire Trident Key: on the wall around the waterfall. Opens the one-key door.
- Emerald Trident Key: in a nook guarded by a skeleton archer, up the stairs.
- Ruby Trident Key: from the Trident at level 5.
- With all three you can open the three-key gate, which holds the Engraved Halberd (Pierce/Slash). Keys go back into your inventory when you take them out of a door, so you can reuse them.
Wind Gem #3 is across a broken path in the same branch, and gives you a third dash. Later, across the pit by the Crystal, a key slot opens the path to the Amethyst Tear charm, which helps against the poison fish. Digitol adds the Piercing Needle chest on the dark central path.
There are five Trident keys in total; you need all of them later for a hidden boss on the island and for the Petrified Garden. See Keys.
Where are the three royal guards?
Dagoom's door shows three figures and opens once you beat the three Royal Orbewa Guards and take their items:
- Erda: at an altar in an alcove on the lower level near the waterfalls. Drops a crown. The Splash Hammer chest is nearby; dash to it.
- Yepo: at another altar along the wall near the entrance. Drops a necklace.
- Wami: on a ledge outside, up the path with the brazier. Drops another crown.
Under the stairs in that cave is a chest with the Gold Conch Necklace (both guides).
How do you beat Dagoom?
Dagoom the Sea King is the area boss. SquidRadio's read of the fight: stay mobile, because his leg armor leaves only his back and chin worth hitting. His moves:
- Stomps: short range; jump them and hit his tail.
- Bite: he turns fast, so keep moving.
- Poison slam: go to the edge of the arena; it also spawns small fish to clear with dash attacks.
- Water cannon: the water drains first; dash behind him.
- Chin slam: a wide wave; jump and dash over it.
- Whirlpool swim: he circles the edge and poisons the water; get to the center and have a poison cure ready.
Digitol lists no weakness to any physical damage type and suggests charged Azure Torch fire when a close opening is not safe. Defeating him gives the Silver Duck, which you trade to Umbada at the shop.
What should you do after Dagoom?
- A Silver Skull is on the lift just past the boss door (SquidRadio's "Strange Etched Silver Skull 1"). See Silver Skulls.
- A two-key room holds a Meal Ticket and the Silver Fish Treasure.
- Meet Erma in the cave on the left to start the Orbewa Egg quest.
- Light the beacon gargoyle near the tower with the Azure Torch, then use the Wing Shrine to return to the island and light the other beacons. That opens the Tower of Knowledge.
- Arceil's Treasure Room guide also starts here: a note by a skeleton in a dark cave near the temple's start adds the Blood Key Stone to the shop for 24 Ancient Coins.