There is several reasons why you're not doing so well. Here are some: First, most likely based on the power relatively to your level, you did not level freeze earlier enough or you did not at all. Level freezing means you didn't stop entirely or slow down the leveling process of your main character so that you focus on increasing power before even thinking of leveling. Generally, someone who level froze should be a little higher that hasn't spent their coupons on power should be around 41k+.

Were you saving your seal scrolls from the beginning and spending on treasures you know to get characters you want for sure i.e. roshi, han? Researching via the forums and watching youtube vids is one way to figure out which ninjas to go after. In terms of coupon farming, how active do you play and do you know where to find all the sources freely in the game? It's ok you didn't know these things before since several people have made this mistake and decided to either * with their original server that they started or start on a new server with a new strategy.

His team isn't even cancerous. Poison does not automatically equal cancerous.

Sorry for the delay. If you manage to get your kurenai's chase skill broken (something you can start now), you can try out this team:

Skills: 3, 2, 3, 3, 1 Summon: Monkey (gold)

If you don't have kurenai's chase skillbroken just yet replace healing tips for neurotoxin so you can get the chaos from water main's chase. Just in case you did not know this, this version of Sasuke is Sasuke Pl4yBoy

Well from the list of ninjas you provided, I saw those three provide the best synergy. Of course, you said you want a team that does "hits hard" but I can't provide a reliable team that offers what you want with what you have since they lack the synergy or very few that can nuke. At the moment, focus on getting those sage naruto frags and switch to wind main to make a team with gaara since gaara becomes a lot stronger than he is even after his bufff after the recent update.

That's why I asked if OP planned out which characters and he responded that he did not save seal (meaning he blinding spent them as he leveled) and most likely spent coupons on other things. So he suffered due to not knowing what he should be doing. Also, trying to get mei and chojuro is a bit risky especially if you started playing within the past 6-7 months since the rare rate is 1/8. Even if he knew about it, I doubt he would want the immortal with roshi and han since he said he wants a more blitz team, which *s since getting mei is a 1/8 chance and for someone who wants to be competitive quickly is a drag. .

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Farm kurenai fragments to make skillbooks just like for any ninja (excluding 1st/2nd hokage) who has skillbooks at the moment. To get the skillbooks for her chase and standard attack, they are both 50 frags each so it isn't hard to do if you tried.