Collect Act 2:Lightning Balls Can only be completed once Description With the Krenos gems power, You will be able to see the lightning ball arround the map now, All you have to do is click at them.When Completed:Right. Requirements to Complete Lesser Thunderball x1 Advanced Thunderball x1 Ultimate Thunderball x1 Krenos Thunderball x1 State Thunderball x1 Pride Thunderball x1 Rewards 500 Golds 300 EXP OR 75 EXP from Level 200 Locations Thunderspire