You'll find the golem and her trainer on the third screen of Earthbowels Lake. When you spot them, they're about to be attacked by demons. Ryle says you need to help them right away, but as you rush to their aid, they get to fight their own battle.

(This battle is only against 3 Water Elementals, so it's not worth writing a strategy. Just use the golem's Firebolt and have the Dwarf use whatever.)

After the battle you meet Golban and Runatie. Ryle tells Golban they came to meet them, and also that Garganbu said they should see Earthbowels Lake, which Golban agrees to. Golban and Runatie join your party and now you can keep exploring the dungeon.

It's a good idea to put Runatie in your party for Earthbowels Lake, because her Firebolt skill will usually one-shot the Water Elementals.

You’ll have another Boss battle before you leave. You can put Gulban and Runatie in your main party before this battle, or keep Denoas, Rumil and Karin. Everyone gains EXP and AP regardless of whether they fight in battle or not, so who you put in your party is a matter of personal preference.

Explore the rest of the dungeon, and when you come to the last screen, you'll encounter the dark elf, Elrona. It seems word of Denoas' exploits at Gardino Castle have reached Jenowin, and now Elrona's come to put you down. (But she doesn't do it herself, instead she leaves Killer Night to fight you in her place.)

Boss Battle

Killer Night

• 700EXP/1500G/5AP
• Drop: Fossil Plate
• Steal: Spilrau

This battle is surprisingly difficult.

Have some Resurrection potions on hand, and keep Rumil’s health high enough so if anyone dies, you can resurrect them with one person and then heal them with Rumil.

Also keep one bar of your deadliness gauge full so you can use Holy Breath; you’ll most likely need it at least once.

Use Berserk and Critical Up, followed by Raging Wrath, and a Grandcross or Vilsugia Punish, then hit him with your strongest regular attack skills.

Save your next big Finishing Move until after his armor is gone; it’ll do much more damage then.

Make sure you keep everyone’s health high or you could all get killed.

After the battle with Killer Night, go back and talk to Garganbu. He tells you to go to Granzalk and talk to King Gnorr.

Go talk to King Gnorr, then rest at the Inn. In the morning, head to the port and catch a ship to the Western Lands.

Treasure

• T1 - Fossil Plate
• T2 - Water Gem
• T3 - Chivalry Helmet
• T4 - Ring of Strength
• T5 - Waking Herbs
• T6 - Water Crystal
• T7 - Ring of Power
• T8 - Soma
• T9 - Special Potion of Life
• T10 - Crystal of Return

Monsters

• Cave Mushroom
• drop Campset
• steal Potion of Life

• Water Elemental
• drop Potion of Life
• steal Waking Herbs

• Cave Wolf
• drop Herb of Life
• steal Awareness Potion

Boss video by LemmyTheLenny