Exactly what I said... ^^
Just a fun thing to notice too : in your example : 3 titans with 4 adrenaline (1 is useless) will do 52 damage per turn, while your 3 titans with 4 rage elixir will do 48 damage ^^. Moreover you will need more quantum to use those 4 rage elixir so overall, i keep thinking adrenaline is a good choice.