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Brynn's Research Tab.png
Gallagher (Battle Icon).png
Kobolds that drink potions... Interesting. Do the Fomors also have the ability to brew potions? We must study this. Investigate this matter for me.
~ Gallagher on Brynn's Research
Battle given by: Gallagher
Related stories:
Bonus Mission
Battle Points Gained Mission Requirement Gold Gained
15 Obtain Hoarfrost Hollow Erg Crystal 800 Gold (Icon).png
20 Obtain Spider Cave Scroll 700 Gold (Icon).png
20 Kill Cave Wisp with small bomb (P) 1,000 Gold (Icon).png
Oath of Honor
Battle Points Gained Mission Requirement EXP Gained
30 Season of Macha (difficulty up) 4,400 Experience (Icon).png
25 Win without secondary weapons 3,600 Experience (Icon).png
20 Win without HP Potions 3,100 Experience (Icon).png
Brynn's Research
Hoarfrost Hollow.png
Location Hoarfrost Hollow
Prerequisites Western Ice Passage

(At least 100 BP)

Leads to Kobold Chief

(At least 100 BP)

Mission Defeat Robust Echeloch (*P)

(100 BP given)

Time limit 60 minutes
Battle limit No Limits
Minimum level 18
Recommended 22
Mid boss(es) Eflame
End Boss(es) Robust Echeloch
Evil Cores Max: 5
Min: 3
Ability Points (AP) Max: 40 Ability Point (Icon).png
Min: 10 Ability Point (Icon).png
Rewards 3,200 Gold (Icon).png
9,700 Experience (Icon).png


  • The Mid Boss Eflame is in the final room of Area 1 Path 2.
  • Ore deposits:
    • Area 1 Path 2 has 2. One is in the SE corner of the first room. One is to the right immediately after leaving the roller tunnel. The latter is problematic, since the floor slope causes bombs to roll beyond the deposit, and if you do time it right, the resulting ores roll into the tunnel, so it's hard to retrieve them without being hit by the roller.
    • Area 1 Path 3 has 2. When entering the sole room, one is immediately on the right. One is on the left near the exit.
    • Area 2 has 2 in the fenced off SW area.
  • Erg Pots:
    • Area 1 Path 2 has one. It is to the right after going through the roller tunnel and can't be missed.
    • Area 2 has one near the trailer in the SW area.
  • Cave Wisps are required for one bonus mission.
    • Area 1 Path 2 has several. There are 2 to 3 cave wisps near the obvious Erg Pot. In the final room there are initially 2. After disposing of those, 2 more spawn with the mid-boss.
    • Area 2: 2 or 3 will usually spawn when the Erg Pot is broken, but they sometimes seem to be missing. Try luring them to the entrance to the narrow passage on the NE side of the main room. Mobs cannot enter this passage, and the wisps will hover around the entrance, making them easy to bomb.
  • Area 1 Path 4: It is difficult to cross the first bridge before it is cut, and the fall can cause significant damage. It may be safer to slide down the steep slope to the right of the start of the bridge and use the ladder to ascend the other side.