[1.12.2] Minecraft FPS goes horribly down with chisel and other mods

[alprazolam003]

Hello and my issue is that, one of my friends has a problem with the mod because it drop the FPS with other mods (whe have a server with mods). When he puts the chisel mod with the complement it start dropping fps in game, i'll attach the mod pack download and i hope someone tell me what is wrong. thanks in advance. https://www.mediafire.com/file/33vkckpxxwhx74e/mods_mundo.rar/file