Total Mythology to get AF2 + Hero's jewels and blt: 5,385.
17.95 weeks (18 weeks).
Total Mythology to get +1 on all AF2 + Relic: 6,300
21.00 weeks
Total for AF2+1= 11,685 Mythology
38.95 weeks (39 weeks)

300 Myth = 75 Ifrit Hard Mode Runs
300 Myth = 7 AK + 5 IHM