R30 I think is a good cap for Toto-rak, so it gives you some room to actually gain levels in there and feel like you're getting stronger and progress from the easier to tougher bosses, without leaving you too overpowered. I've done that 3rd tier boss in a party of r30's and cleared it with about 6 min remaining, and it was tough but not a complete gamble, perfect for skilled players. Of course this might be different when we lose physical levels, depending on how much our stats are affected.