Tomo’s lost cat is one of the first quests in The Forge that asks you to spend serious money and rare gems instead of simply swinging a pickaxe harder. The objective is simple – bring the cat back to Tomo – but getting there means unlocking World 2, clearing the Goblin King’s entire questline, and finding a hidden cave behind a waterfall.
Where Tomo’s Cat is in The Forge
Tomo’s Cat is located in World 2, the Forgotten Kingdom, inside the Goblin Cave. Once you unlock the Goblin Cave door with the Goblin King’s key, you’ll find a waterfall inside. Behind that waterfall is a concealed stone wall you can walk through. Tomo’s Cat is at the back of this hidden room.
To reach that point, you must:
Unlock the portal and reach the Forgotten Kingdom (World 2).
Find the Goblin King in the Forgotten Kingdom hub.
Complete all five Goblin King quests, paying a high amount of gold and gems.
Use the key from the Goblin King to open the Goblin Cave.
Enter the waterfall inside the cave and walk through the cracked stone to the cat.
In World 1 Stonewake’s Cross, travel toward the Wizard’s Tower. On the way, look for the NPC Tomo sitting on a rock in explorer gear with a lantern. Interact with Tomo to learn that the cat is missing.
Start the “Lost Cat :(” quest from Tomo’s dialog options. This adds the cat objective to your quest list and allows you to turn in the cat later for rewards.
Progress the main Stonewake’s Cross questline. Completing Sensei Moro’s tasks and the follow-up enchant/rune and Wizard quests unlocks the portal tool, which you use to access World 2 Forgotten Kingdom.
Interact with the portal and choose the Forgotten Kingdom to travel to World 2. This zone is where the Goblin King, Goblin Cave, and the cat location are all found.
Image credit: Roblox (via YouTube/@Noob_Blox)
How to find the Goblin King in the Forgotten Kingdom
Turn left before or around the forge and move along the main path that passes the Enhancer and Runemaker shops. Stay on this path rather than cutting off into side areas.
Continue following the path until you see two goblins on your right, standing with axes and flanked by torch flames. Walk between these goblins to reach the Goblin King further ahead.
Walk between these goblins to reach the Goblin King | Image credit: Roblox (via YouTube/@Noob_Blox)
Speak to the Goblin King to unlock his multi-stage questline. You must finish all five of his quests to obtain the key for the Goblin Cave and reach Tomo’s Cat.
Speak to the Goblin King to unlock quest | Image credit: Roblox (via YouTube/@Noob_Blox)
Goblin King questline costs and gem requirements
The Goblin King questline is designed as a late-early or mid-game money and gem sink. You cannot reach Tomo’s Cat until all five stages are complete.
Quest
Gold cost
Gem requirement
Gem rarity
Where to mine
Quest 1
5,000 Gold
None
–
–
Quest 2
10,000 Gold
3 Topaz
Rare (1/143)
Basalt Core, Basalt Vein, Volcanic Rock (Forgotten Kingdom)
Quest 3
15,000 Gold
5 Diamond
Rare (1/192)
Basalt Core, Basalt Vein (Forgotten Kingdom)
Quest 4
20,000 Gold
5 Emerald
Epic (1/363)
Basalt Core, Basalt Vein (Forgotten Kingdom)
Quest 5
25,000 Gold
5 Ruby
Epic (1/487)
Basalt Vein (Forgotten Kingdom)
The total gold investment across the five quests is in the 70,000–85,000 range, plus a significant number of rare and epic gems. This makes the cat quest expensive for new players.
Because of these costs, many players delay finishing Tomo’s Cat until they own a strong late-game pickaxe and can mine Basalt nodes quickly.
Unlock the Goblin Cave and open the way to the cat
Turn in the fifth Goblin King quest by delivering 25,000 Gold and 5 Ruby. Once you hand over the final payment, the Goblin King will walk into his tent and leave a large key on his throne.
Approach the throne and press the interaction key (E by default) to pick up the Goblin Cave key. This key is what you use to open the nearby locked door.
Use the key Goblin King gave you | Image credit: Roblox (via YouTube/@Noob_Blox)
With the key in your inventory, go to the locked door positioned beside the Goblin King’s area. Interact with the door to unlock it and gain access to the Goblin Cave.
Navigate the Goblin Cave and reach the hidden waterfall room
Walk directly into the waterfall. Behind the falling water is a stone wall with a visible cut or crack running through it, hinting at a hidden passage.
Walk directly into the waterfall | Image credit: Roblox (via YouTube/@itzvexo)
Move to the back of the secret room. Tomo’s Cat is waiting there as an interactable object. Press the interaction key (E) to pick up the cat and add Tomo’s Cat item to your inventory.
Run back along the path to the Wizard’s Tower and stop where Tomo is sitting on the rock. Interact with Tomo while carrying the cat to turn in the Lost Cat quest.
Completing the hand‑in grants a sizeable chunk of XP, a large cash reward, and cosmetic and progression bonuses including the “CatLover” title. Other variants of the reward set can include a badge such as “Professional Rescuer”, depending on how the game surfaces achievements.
Once the quest is finished, Tomo’s Cat also appears as an item in your inventory, serving as a small collectible for completing one of The Forge’s more resource‑intensive early quests.
Is it worth doing Tomo’s Cat quest early?
From a progression standpoint, the Goblin King requirements make Tomo’s Cat a poor target for early or early‑mid game. The combined gold ask and rarity of Topaz, Diamond, Emerald, and Ruby from Basalt nodes mean you will spend a long time mining with weak tools.
A more efficient approach is:
Focus first on upgrading to a stronger pickaxe such as a Mythril or other late‑game option.
Use race rerolls to favor miner‑oriented races like Dwarf or Goblin when farming Forgotten Kingdom ores.
Tackle the Goblin King questline and Tomo’s Cat after your mining speed and damage are high enough that Basalt gem farming is fast and consistent.
Treat Tomo’s Lost Cat as a lucrative side objective that fits naturally into a mature mining build, rather than a mandatory early milestone. When you reach that point, following the steps above turns the “where is the cat?” puzzle into a short walk behind a single waterfall.
