I totally agree they should add these to update blm, also same goes for Thundercloud aswell since it wouldnt really be overpowered since the it has very low percentage of it happening. If they were to make Firestarter/Thundercloud to stack to 3 they would have to increase the time limit to use it before you can't anymore, 30 seconds would be good time limit, enough time to get all 3 stacks it would balance out moving around by great deal along with surecast idea you have they could implement into the game.

It would also be good idea if they updated Apoctastasis, keep the cooldown the same but change the duration to 20 seconds like manaward and be able to use it on self along with changing the 30% resistance to just fire, ice and lightning to all elements, would be used alot more and be needed raids, some of you may think this would be overpowered but it wouldn't be, playing as blm since the game came out I have hardly used this skill at all along with surecast.