With each pack, if you buy it, you can get an (I), ( R), (O) special variant that grants the player 30% more C-bills, even though it is listed as a (C) mech in the mech bay. Now, there are at least two chassis who do not have ready access so such a bonus, even for the going rate of a Hero/ (I), ( R), (O) mech. These two mechs are the King Crab, and the Mad Dog.
In order to get the King Crab 30% C-bill variant you needed to have started playing the game last year at least and spent money on packs. To get the Mad Dog (I) you need to cough up $360 and get both Wave I and Wave II. I think enough time has passed, almost a year now, that these two mechs and all other pack released mechs should have a purchasable (I), ( R), (O) as a stand alone. If not then I hope new Hero mechs are coming along with Clan Hero's.
Update: Just thought of this, if they don't really ever need to make another hero mech if they don't want to. Just add the King Crab for $35 to the Resistance I Ala cart section, and the Mad Dog for $55 to the Wave II Ala cart section. With that anyone can purchase a 30% c-bill boosted mech from any mech pack, or pick up an actual hero from the original list.
Edited by FireBlood, 07 August 2015 - 10:00 AM.