I recently started trying Zenless Zero. I usually don't touch Free to play, but something drew me to this one... cough Ben Bigger cough, but so far it's been pretty fun, the combat is interesting enough and it's not too hard, but I really just want to get to story 2 chapter 1 because apparently that's when you unlock Ben Bigger as a Playable character and I really want to play as that big burr. I think you only have to spend IRL money if you want to buy the really good stuff and new characters, the Gacha mechanic doesn't looks so bad though, because it seems like there's only a small selection of characters you can pull from like every week, so you can always wait until character you like pops up and just try to get them, there's still chance you won't though and I probably won't use this feature, because I only plan on playing the main story, but so far it's pretty fun for a free to play game.