Winning Question 1: When enhancing a card, does it matter what card you use to enhance? I've been sacrificing my low lvl normal cards to enhance my stronger cards, but is it better to use stonger cards to gain more stats?

When enhancing a card, does it matter what card you use to enhance? I've been sacrificing my low lvl normal cards to enhance my stronger cards, but is it better to use stonger cards to gain more stats? 


This question really requires a lot of research to completely answer, but I do have enough information to have a pretty good idea on how to best enhance your cards.


First off, let's talk about the archive bonuses. The more cards you discover, the more cards you can carry. This includes the evolved forms of cards, so this makes evolving cards you may not use rewarding to some degree. The other bonus, the more cards you MAX out, the faster your Stamina, ATK, and DEF recovers. This bonus only counts when you MAX a card of a certain name once. an example would be, if you have a Fighter, and you MAX it out, it will count towards the archive bonus whether you have the card, or have used it to enhance, evolve, or even sold/traded/gifted it. If you evolve a Fighter to a Fighter+, MAXing the Fighter+ will count towards the archive bonus as well, and so on and so forth. Keeping track of what cards you have maxed will prove useful down the road, keep that in mind. Improved recovery time can be very useful.


Now, actually enhancing cards, does using rarer cards give better results? Yes and no. Using rarer cards will improve your chances of "Excellent Improvement" and more importantly, "Skill Up". However, using lower rarity cards is far more practical.


Enhancing your primary ATK and DEF cards should follow some general rules to save you time and suffering. Don't waste your Angel Queens on cards that are not Final Form, and never waste Devil/Demon Queens on cards that are not Final Form who do not have Skills. Skills can be leveled up to level 4 (to my knowledge). So stop using Devil/Demon Queens once you reach max skill level, and only use 1 per enhance.


Enhancing lower rarity cards you will reach MAX faster than higher rarity, as they require fewer levels to MAX, this balances out the benefits of leveling out different rarity cards, a higher rarity card will become more powerful but requires far more cards than a lower rarity card. Just because a card is Normal or High Normal does not mean it is not worth using over a Rare and up. It appears that using card skills in combat is limited in some way, so maximizing your Attack and Defense per point of ATK/DEF takes a bit of work.


Personally, I choose the rare cards I wish to enhance based on their skills, ones that grant "Big boost to....". I use 2 or 3 cards with skills like this, MAX them out, and level up high ATK or DEF High Normals or Normals that these skills affect. My main account has 50 ATK, yet can pump out over 35k attack power with 3 normal/high normals and 2 Rare and UP cards by utilizing the types of cards I use in a hand.


So, keep using those low level cards to enhance cards you want to use or to enhance towards the archive bonus.