Upgrade Core (High)

==Introduction==
A comprehensive list of cores can be found here.
Upgrade cores are mainly used for upgrading items level(+1, +2, etc), more info can be fond here.
Other types of upgrade cores are as follows:
*Upgrade Core (Low)
*Upgrade Core (Medium)
*Upgrade Core (High)
*Upgrade Core (Highest)
== Obtained ==
*Craft: Basic Craft level 8
*Field: Bloody Ice, Desert Scream, Green Despair, Lakeside, Undead Ground, Forgotten Ruin, Mutant Forest, Pontus Ferrum, Porta Inferno
*Dungeon: Lake in Dusk, Ruina Station, Tower of the Dead (B1F), Volcanic Citadel, Tower of the Dead (B2F), Forgotten Temple (B1F)
==Gallery==
File:Upgrade core high.jpg|.
File:Craft112 50x50.png|.
Category:Items