Overflow Dungeon (OFD)
Overflow Dungeons (OFDs) are instances where the tamer must face a predetermined team in a battle with no substitutions for rewards.
An entry pass is consumed with each entry and they can be obtained from the left notice board in the Village of Beginnings after the tamer has completed all main quests on the OFD map.
Gear Savannah OFD
Pass: B
Opening: Tuesday, Thursday and Saturday (In Korea)
Difficulty: Very easy
Repeted Reward in lv 30: 9x OFD data, 8x Potential Pieces, 4x 9k Xp potion, 1x Recuperation Box lv 2
Unique Reward in lv30: Champion core.
Infinite Mountain OFD
Pass: C
Opening: Wednesday, Friday, Sunday (In Korea)
Difficulty: Easy
Repeted Reward in lv 28: 10x OFD data, 10x Potential Pieces, 3x STR book, 2x Recuperation Box lv 2.
Repeted Reward in lv 29: 10x OFD data, 10x Potential Pieces, 3x INT book, 2x Recuperation Box lv 2.
Repeted Reward in lv 30: 11x OFD data, 11x Potential Pieces, 1x timemon, 2x Recuperation Box lv 2.
Unique Reward in lv29: Digitama's bag.
Unique Reward in lv30: Ultimate core.
Desert Area OFD
Pass: D
Opening: Tuesday, Thursday, Saturday (in Korea)
Difficulty: Medium
Repeted Reward in lv 29: 14x OFD data, 13x Potential Pieces, 5x 9k Xp potion, 2x Recuperation Box lv3.
Repeted Reward in lv 30: 14x OFD data, 14x Potential Pieces, 5x Low enchantment stone, 2x Recuperation Box lv3.
Unique Reward in lv30: Ultimate Core.
Dark Castle OFD
Pass: E
Opening: Monday, Friday, Sunday (in Korea)
Difficulty: Hard
Repeted Reward in lv 29: 16x OFD data, 16x Potential Pieces, 7x 12k Xp potion, 2x Recuperation Box lv4.
Repeted Reward in lv 30: 16x OFD data, 17x Potential Pieces, 7x Low enchantment stone, 2x Recuperation Box lv4.
Unique Reward in lv30: Digiegg 153 hours.
OFD's data shop
In Village of Beginnings, you can trade the OFD data with the Piyomon NPC
The exchanges prices are:
Dictionary: 10x OFD data
Flute: 8x OFD data
Rookie Cube: 6x OFD data
Champion Cube: 12x OFD data
Ultimate cube: 20x OFD data
Broken Zero Unit: 20x OFD data
Zero Unit: 16x OFD data
Shiny Zero Unit: 32x OFD data
Potential Piece: 4x OFD data