You can still do blue buff and gromp at the same time on the PBE. I haven't found a 100% consistent stat yet, but I'm sure it exists. This works on red
Gromp | League of Legends Wiki | Fandom
Surrender at 20: Red Post Collection: Gromp Summoner Icon, Login themes from the Past, /ALL Chat | LCS party, & more
Is Gromp a Frog or a Toad? : r/leagueoflegends
moobeat on Twitter: "Jungle buff pictures - Krug buff (turns to stone!), Wolf "ward", Razorbeak buff, Gromp buff. #PBE http://t.co/x5lPTpUQf4" / Twitter
Fun fact: With Giga Gromp revealed today, we now have every jungle camp/a reference to them from LoL's blue buff jungle side in LoR, yet not a single one from the red
I've noticed if you start blue buff and smite the gromp and stand next to it, it does no damage to Rengar : r/Rengarmains
gromp" 3D Models to Print - yeggi
How the frog becomes the Gromp. - YouTube
Gromp got an OP buff in Season 12 League of legends - YouTube
A new method i learned to clear Gromp and Blue buff quickly. : r/leagueoflegends
Day 2, of my creations and heres majestic, Aurelion Gromp : r/LeagueOfMemes
Saw people combining Gromp with their mains so I wanted to do the same : r/KledMains
Gromp Buff OP - YouTube
This One Ward Reveals Blue Buff and Gromp - YouTube