I haven't encountered 150 Trogols even once...
..
The number of Trogols in the later stages (for simplicity, the maximum stack = 40 is taken).
Calculate (1-3)*40 (max) + left hero 1*40 + right hero (possible to be a native, probability 1/9) 1*40
In total:
Tmax = 120 + 40 + 40 + 14 (basic increase) = 214
Tmin = 40 + 40 + 14 = 96
Some of our players have had games where they took Utopia on the 1st week of the Hall of Legends with 200% for Shakti.