The Tower Spirit was merely the tower spirit of the Chaos Devouring Tower; how could she possibly be a match for a half-step Innate Chaos powerhouse? In her view, this was all just an excuse made by Su Chen.
When it all came down to it, it was simply because Su Chen was unwilling to lend out the Chaos Devouring Tower.
"You really underestimate the Tower Spirit. Think about it yourself—if the Tower Spirit's strength were inferior to yours, and the Chaos Devouring Tower were to fall into your hands, wouldn't that mean the Tower Master's legacy was squandered in vain?"
Chapter 1586