First of all let me explain the reason for this simple yet very useful app.
There is a well known plugin that alot of your have probably heard of called FFACE which works by reading FFXI memory space using many self contained functions, and there are many applications and bots that are made utilizing FFACE plugin.
There are at least a dozen fishing bots for FFXI which utilize the FFACE plugin, and as far as I know there are no other FREE fishing bots for FFXI that do not use FFACE.
There is one MAJOR restriction with ALL fishing bots made with FFACE; the plugin author felt it necessary to "save" the economy by imposing a minimum level 50 requirement for all FFACE fishing functions thus disallowing mules and low level players (particularly RMT) from effecting the fish sale prices.
So what does my app do? It masks your character's level to whatever level you set to bypass this restriction thus allowing you to use any FFACE fishing bot unrestricted at any level on any character =)
This is completely client side and undetectable.
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