Here are some tips on Ge.ne.sis:
Just look at the character's nature.It will have some weaknesses so as your enemy's resistance and weaknesses.For example,if you have an enemy that is blue-natured,look at the other character's profile like Neraine or the High Priestess.Look at there resistance.And look at the weaknesses.That way,you will not use too much of High Priestess's Enlighten ability.But if you have an enemy that is white-natured,it has a high resistance from magic abilities but has a low resistance from physical attacks or black abilities.Some are still weak from magic resistance too even from white abilities since it is also a physical attack.
Well that's all I know.If you want to know more secrets,then play Ge.ne.sis alot to find out some secrets!Enjoy my post to Ge.Ne.Sis!
P.S.If you don't have the weakness of the enemy's nature weakness,then look at it's defence and resist.If the resistance is 0,then it is weak against black abilities or physical attacks.If its defence is 0,it is weak against magical attacks and white abilities.Be sure to check at the enemy's dodge rate,even it is high or low.Cause if it has alot of dodge rate,then make sure you have the weakness that has a high accuracy even physical attacks.
Hint:A white ability is an non-elemental damage.