I’m not sure if this is where I should be posting this but I have been away from the game for 10 years and just got my alt trained up to Marauders 5 and it yielded no benefit. The shield booster on my Golem gave 1719.22 HP before and after training from 4 to 5. Same thing for the effectiveness of the target painters, 46.2% before and after. Is this a common problem?
Now that I have looked again several hours later the stats have changed.