Lydia
You fight it in Floating Islands Waterfalls.
Its Nexomon's levels are rolled when the battle starts, from the story's difficulty plus this battle's own weight of 2, as the Battles page explains.
As a tamer battle, it has no capture option.
Winning it gives ×1.5 EXP and ×1.5 coins.
What its boss cores do:
- A boss vitality core (150): 150% more max HP.
- A boss stamina core (200): 200% more max stamina.
- A boss immunity core (50): 50 off the chance of every ailment against it.
On the map
- Battle
Party
 Dratter |  Wind | — | — |
 Oregoon |  Mineral | — | — |
 Blizzaur |  Water | — | — |
 Voltaic |  Electric | — | — |
 Eurus | Wind | Howling Winds, Slashing Current, Twin Tornado, Heal | Boss vitality core (150), Boss stamina core (200), Boss immunity core (50) |
- Achievements
History
Changes to this battle across game updates.
- Coins multiplier changed from — to ×1.5
- EXP multiplier changed from — to ×1.5