I have been playing Astro since HW debuted it. Loved the class then, loved it in SB, love it in ShB.

Having said that I have never taken ast into Savage or even extreme content, but I can say this.

I have never ran into MP issues on Diurnal Sect, ever. It's very strong from a healing perspective. Nocturnal on the other hand, I have typically run out of MP quite often as i'm trying to keep shields up at all times (especially the MT). Aspected Benefic draaaaaiins your MP. Fast! But I have always had Lightspeed to counter the MP costs, and it's on cooldown almost the whole time I play astro. That with lucid, and neutral sect, synastry, countless oGCD skills...man astro is nigh unstoppable. Heals into the "stratosphere"? (bad pun)

Fast forward to 5.3 confused looks abroad, MP regen on draw? 1 min cooldown get MP? I'm hearing you right?... But I get to keep lightspeed insta heals?.... pffft ok....if that's what you wanna do!

5.4 comes out "Royal Road / Spread reinstated" (Takes Minor arcana off toolbar...)