Tales of Arise Playtime and Difficulty

I am a huge jrpg fan but didnt played this one yet. Would you say it is worth it? And how long would it take me with de dlc to 100% it?

I like harder games and some challanges but whats recommended for this game. If hard is a nice and fun challange I take it. If its just that all enemies are dmg sponges and the combat cant be played properly bc I just have to hit and run or some bs I think I would go with normal