Calling this game Sacred Citadel 2 would have been better, since it has an obvious similarity on gameplay with Sacred Citadel, so i will consider it as such and not to the fact that this is NOT the successor to Sacred 1 & Sacred 2 (which is true)
Sacred Citadel 2 is an Hack and Slash top-down view game which plays very similarly to the previous title Sacred Citadel, the main features are the following:

• upgraded graphics from 2D into 3D, the graphics are really great and astonishing, but too much work on this side made the game very poorly optimized,
  
• keeps the kind of "arcade" score system after completing each level which was on the previous title too, with a points system based on combos streak and kills, where in the other game was also based on how fast you completed the level and how much damage you managed to avoid,
  
• unlike it's predecessor, the emphasis on equipment and character statistics customization have been mostly removed and replaced with an easier and faster system where, when you reach a certain level, you unlock a certain weapon or skill that you can choose to equip for a mission, and so goes on for some kind of upgrades, which are all bought with "gold" that is too generously given from the levels you complete, resulting in a overflow of gold from the very early levels, even if you buy things that you don't actually use,
  
• last but not least, your set of attack moves in Sacred Citadel was vast and depending on combining certain keys that produced a certain more complex attack, and the same was to activate certain skills, while in this game you only have a 3 attack standard combo, a charged attack used to interrupt certain enemies, a defensive move (either a roll or a block) and two skills that you can equip on a single mission at a time, all of these bound to their personal button and with no emphasis on combining them in a certain order anymore.

Also, it may be just me, but it looks like that certain weapons and/or skills are overpowered compared to others, with effects such as letting you heal a big amount from every attack, making other choices poor compared to these strong ones, or even unviable to complete the level properly.

All said, i think this game is not bad, but the game has been made to look like it was that great (moreover this game has been placed on steam with a price of 60€), while also taking the name of a game that has nothing to do with this, therefore i considered this as Sacred Citadel 2

In my opinion, the first Sacred Citadel is better than this in almost every aspect, but depending on your tastes you might like this more. If you want to buy this wait for a sale to make it go at least around 4€, maybe even grab it with a friend, and be warned that all these changes made this a very tedious choice over its previous title.