The contents of the Little Noah: Scion of Paradise DLC 2: Avatar, Lilliput, and Accessory Pack are as follows.

Avatars
Talk to the Champion on the airship with the "Avatars" speech bubble over her head to change to one of these new avatars.
1. Ruler of the Racetrack Noah
2. Sub Zero Knight Noah

Lilliputs
These Lilliputs appear at random in the ruins. Enlist their aid and expand your repertoire!
1. Quickshot (★★★)
2. Oceane (★★★)
3. Hanzo (★★★)

Accessories
These accessories appear at random in the ruins.
1. Meteorite Emblem (★★★)
2. Blizzard Emblem (★★★)
3. Electroshock Emblem (★★★)
4. Treacherous Gloves (★★★)
5. Swift Combat Boots (★★★)
Emblems: Deal added damage when you fulfill certain conditions.
Treacherous Gloves & Swift Combat Boots: Confer advantages in battle.
Use these items wisely to make the most out of each expedition!

More details on the official game page of Little Noah: Scion of Paradise DLC 2: Avatar, Lilliput, and Accessory Pack ...