Fish It: How to Get All Elemental Crystals in Roblox

Elemental Crystals are the key to the newest area in Fish It, and no amount of casting will get you one. They are handed out as quest rewards on Elemental Island, one per elemental zone, and all three are needed before the gate to Hydra’s Throne Room will move.

Quick answer: Complete the quest from Ignis in the fire zone, Tempest in the ice zone, and Frozen soul in the storm zone to receive the Fire, Ice, and Storm Elemental Crystals, then place each crystal on its matching podium at the entrance to Hydra’s Throne Room.

Elemental Crystals are quest rewards, not fishing drops

The three crystals never appear on a line. Each one is tied to an elemental event quest in the zone that matches its element, so fishing in the lava pools all day will not produce a Fire Elemental Crystal. You have to walk into the zone, find the quest NPC standing there, and finish what they ask for.

Elemental Event prompt appearing as the player walks up to the quest NPC in the volcanic zone — The Elemental Event prompt appears once you get close to the quest NPC in the volcanic zone.

Here is how the three quests line up with their zones and rewards.

Zone	NPC	Quest	Reward
Fire	Ignis	Fix the Magma Regulator	Fire Elemental Crystal
Ice	Tempest	Fix the Atmospheric Regulator	Ice Elemental Crystal
Storm	Frozen soul	Fix the Glacial Regulator	Storm Elemental Crystal

How to complete all three crystal quests

Travel to Elemental Island. The island is split into three clearly separated sections, and each one holds a single quest NPC. You can do the crystals in any order.

Head into the lava section and find Ignis. Talking to Ignis starts “Fix the Magma Regulator,” which is the quest that pays out the Fire Elemental Crystal.

Elemental Event quest tracker on screen after accepting the fire zone quest — Once the quest is accepted, the Elemental Event tracker stays on screen while you work.

Work through the regulator objective the quest tracker gives you. The panel names the exact machine you need to fix and what it wants from you, so follow the marker rather than wandering the zone.

Fix the Magma Regulator objective shown while the player feeds a Wintertusk Mammoth into the machine — The “Fix the Magma Regulator” objective calls for feeding a specific catch into the machine.

Cross into the ice section and speak to Tempest to pick up “Fix the Atmospheric Regulator.” Finishing it hands over the Ice Elemental Crystal.

Move on to the storm section and find Frozen soul, who gives you “Fix the Glacial Regulator.” That quest is the only route to the Storm Elemental Crystal.

Player crossing into the storm section of Elemental Island toward the quest NPC — The storm section holds the third and final quest NPC on Elemental Island.

Place the crystals on the podiums to unlock Hydra’s Throne Room

Carry all three crystals to the entrance of Hydra’s Throne Room. Three podiums sit in front of the locked gate, one for each element.

Put each crystal on the podium that matches its element. Fire goes on the fire podium, ice on the ice podium, storm on the storm podium.

Three elemental podiums standing in front of the sealed gate to Hydra's Throne Room — Each crystal slots into its matching podium in front of the sealed gate.

Watch the gate. With all three podiums filled, it opens and the chamber behind it becomes available. Access is permanent once unlocked, so you do not have to repeat the quests on later visits.

If the gate stays shut, it is almost always because one podium is still empty or a crystal went onto the wrong element. Three matching crystals, three matching podiums, and the gate moves.

What is inside Hydra’s Throne Room

The chamber adds 15 new fish that exist nowhere else in the game, spread across Mythic, Legendary, and Epic rarities and across all three elements. The Bluehood Nautilus is one of the catches waiting in the pool, sitting at a 1 in 80 rate and turning up in the 40kg range.

The headline catch is the Elemental Hydra, a Forgotten fish that cannot be hooked solo. It needs at least three players to activate, with one person standing in each elemental zone, and it scales up to 15 players.

Condition	Detail
Minimum players	3, one in each elemental zone
Maximum players	15, with better odds as the group grows
Most combinations	1 in 40,000,000
1 Fire + 1 Ice + 1 Storm	1 in 45,000,000, the rarest

Keeping the three zones balanced is what pushes you toward the rarest combination, so spreading a larger group evenly matters more than piling everyone into one corner.

The crystals themselves are a one-time chore. Once the gate is open, Elemental Island turns into a long-term farming spot, and the rest of the expansion’s rewards, including the Hydra Fishing Pet and the Elemental Convergence ability, come from the Elemental Spin rather than the podium puzzle.