Is it true that gains will plateau on a long cycle if you do not increase the dose?

[trenhead1]

What are your stats and cycle experience?

Around 90kg
15% body fat plan on this cycle bulk 12 weeks cut 12 weeks
Cycle experience
I've done a few a good 5-6 mainly test tren mast cycles had huge complications on this cycle as I felt I was getting to fat on deca then decided to bulk then cut

[Bio-Active]

Age?.........

Around 90kg
15% body fat plan on this cycle bulk 12 weeks cut 12 weeks
Cycle experience
I've done a few a good 5-6 mainly test tren mast cycles had huge complications on this cycle as I felt I was getting to fat on deca then decided to bulk then cut

[trenhead1]

Age?.........

23 pal