DeletedUser25273
I find that boost seem to round 0.5 up and 0.49 down, so a level 1 Zeus needs at least a 17 Att or Def (0.51) to do anything (so a level 1 doesn't do anything for a low age player). Level 2 needs a 9 Att/Def (0.54), and level 3 needs 6 Att/Def (0.54) which will help a lot (7->8 is a 14% improvement which will increase the damage done/taken). If you plan to sit in Iron age to do the repeating quests for awhile, you will have plenty of FP to level it to the point it makes a difference)