One manga that could be similar is 'One-Punch Man'. It has action-packed scenes and unique characters like Battle Frenzy.
I'd suggest 'Tower of God'. It shares the element of intense battles and a complex world-building, similar to Battle Frenzy. There are diverse characters with their own goals and powers, making it an engaging read.
You might like 'The God of High School'. It features exciting combat and a diverse cast of fighters, much like Battle Frenzy. The story has lots of twists and turns that keep you on the edge of your seat.
Chapter 18, "Attempting to Hunt", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. It opens with Why was Da Shi Camp certain that the Snow Mane was a leftover picked... and closes on In fact, during their many previous outings, the two had already seen.... The key payoff is that the chapter closes with Thump... Thump... Thump..., which gives Xia Hong a stronger narrative position and pushes the power growth onward.
Chapter 436, "The Gate Hidden In The Forest", is the clearest early answer because it turns Damien's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The light over the Verdant Verge dimmed as evening crept in, the... and follows through with We'll be ready." And with that, the wyvern's shadow rose around him,....
Chapter 48, "After modification: Chapter 48 Challenging Biological Limits【Seeking Follow-Ups!】", is the clearest early answer because it turns Tower Mountain's situation into a concrete plot event. The setup is On the eastern side of Tower Mountain, Xia Hong continuously groped..., but the pressure keeps building through Soon, Xia Chuan and Yuan Chuan, each leading two people, ran over....
Chapter 58, "Giant Wooden Puppet", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. The setup is In the valley, at some unknown time, a Wooden Puppet Giant towering..., but the pressure keeps building through The giant's body was extremely small, with its limbs almost making up.... Once the chapter lands on Xia Hong lifted his head, observing that the crack he had just made..., the chapter closes with "Leader Luo, catch this, it's the last one;
Chapter 331, "The Chase At Ryedale", is the clearest early answer because it turns Damien's situation into a concrete plot event. It opens with The sky above Ryedale shone with the light of noon, sunlight bouncing... and closes on People went about their daily movements..
Chapter 416, "Not When The Enemy Is Already Inside", is the clearest early answer because it turns Damien's situation into a concrete plot event. It opens with Ruuuun!" "They've breached the city!" "Don't look back and keep... and closes on Damien finally shifted his weight forward..
Chapter 57, "Solidified Fire Oil is Used Up", is the clearest early answer because it turns Shang Ping's situation into a concrete plot event. The setup is When the solidified fire oil was taken out of the iron refining..., but the pressure keeps building through Although it appeared solid, a gentle force could liquify it..
Chapter 70, "Inspiring", is the clearest early answer because it turns Hong Gang's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Five thousand pounds of coal, four thousand pounds of iron? and follows through with Some couldn't help but let out sobs of joy..
Chapter 102, "The Arrival of the Spurt Period", is the clearest early answer because it turns Da Shi's situation into a concrete plot event. Early on, Shi Ping was the first to break through to the Logging Realm, and the.... By the end, According to Xia Hong's earlier standard, the first five recruits to....
Chapter 339, "Damon's Hidden Move", is the clearest early answer because it turns Damon's situation into a concrete plot event. The chapter gives readers a real answer by opening on Not a ceremonial silence, nor a respectful one. and ending on She's going to use it," murmured Daveon from ElderGlow's booth.. In story terms, the chapter closes with Kaelis smirked. "Then I'll win next time., which gives the main cast a stronger narrative position and pushes the relationship tension onward.