Stellar mass of Zhúlóng (orange star) compared to other representative galaxies and the model expectations. The red-filled circles show three spectroscopically confirmed ultra-massive galaxies (so-called red monsters; Xiao et al. 2024). The blue squares show z > 3 galaxies reported to have clear stellar spiral structures (Jain & Wadadekar 2024; Wang et al. 2024b; Umehata et al. 2024; Costantin et al. 2023; Wu et al. 2023). Note that there is no error bar of M_⋆ given in Wu et al. (2023). The dashed and dotted gray lines indicate the maximum stellar mass calculated from the maximum halo mass ($M_{\mathrm{halo}}^{\max }$) given the PANORAMIC survey volume, based on $M_{\star }^{\max }=ϵf_{\mathrm{b}}{M}_{\mathrm{halo}}^{\max }$, the cosmic baryon fraction f_b = Ω_b/Ω_m = 0.158, and assuming a baryon-to-star conversion efficiency of ϵ = 1 and 0.2. As a reference, we also show ϵ = 1 with the full sky coverage as the black line. The gray regions indicate the stellar mass prohibited by the standard Λ cold dark matter cosmology.