As well as its nerf. There are ways to fix this TP interaction.
Like making it use only base SPR or SPR+equip. If they’ll implement such changes for either of Lifeline/TP/Pardoner shop, this whole combo will go poof.
I don’t think that IMC will let us to steamroll 50~80 dungeons clearing rooms with lvlUPs and clear content of any lvl with any character.