struct spell {
   u16 index;
   u16 type; // 1-6 for White/Black/Summon/Ninja/Bard/Blue
   u16 element;
   u16 targets;
   u16 skill;
   u16 mp_cost;
   u8 casting_time; // in quarter of seconds
   u8 recast_delay; // in quarter of seconds
   u8 level[24] hex; // 1 byte per job, 0xxFF if not learnable, first slot is NONE job so always 0xFF
   u16 id; // 0 for "unused" spells; often, but not always, equal to index
   u8 unknown;
   u8 jp_name[20] | encoding('sjis') str;
   u8 en_name[20] | encoding('ascii') str;
   u8 jp_description[128] | encoding('sjis') str;
   u8 en_description[128] | encoding('ascii') str;
   u8 padding[687] nul;
};

struct dat {
   struct spell spell[until (false)];
};