More and more new Eddies and other Chars are put in the game, but only 1(!) skill shard a week as reward of PVP, 1-2 skill shards from secret locations per month (I play them daily) or 2 shards per week from using troopers (since PVP noone uses troopers).
My situation:
Characters (shards needed to max out) to max out: Cyborg Eddie (24), Grim Reaper Eddie (28), Navigator Eddie (18) - If I get him...
70 (!) skill shards needed
In best case I get 10 shards per month, so that I finished them in ... 7(!) months...
7 months to max out only 3 chars...think about it!