Its disappointing to learn that most of the legends have been left alone. Gamefreak seem to think that many legends would be too good for the game but end up making them inferior to regular pokemon. :I
In fact other than the musketeer quartets everyother minor legends have some bad flaws. I thought sacred fire entei was a step in the right direction but clearly it was just trollfreak being biased.
I was going to just let this slide last time, because to respond to it may be to stray off-topic, but if you're going to persist...
Entei getting Sacred Fire and the other dogs (and the other legendaries, for that matter) getting nothing new was not an act of favoritism, any more than Flareon getting Flare Blitz and the other eevelutions getting nothing special was favoritism. In fact, it's the exact same situation. Do me a favor and take a look at the Gen V non-event movepools of Suicune and Raikou; you'll notice that both are special attackers, and both have powerful STAB moves to work with, such as Surf, Hydro Pump, Thunderbolt, and Thunder. Now do the same for Entei, keeping in mind that Entei is a physical attacker, and we find... Fire Fang. And fuck-all else. Now do the same for every other legendary Pokemon, and you'll find that they all have reasonably powerful STAB moves to work off their better attacking stat. Entei's incompetence with something so basic as STAB moves was unique among legendaries, that's why it got a new move and the others didn't.
"But Entei gets Flare Blitz!"
Yes, from a Gen IV event. Game Freak doesn't balance things with event moves in mind because they balance things for cartridge players, and the vast majority of cartridge players do not have access to event Pokemon. For that majority, Entei's movepool has been a quarter-assed sack of crap since its conception - Entei getting physical STAB in its level-up movepool is just Game Freak rectifying that. As for it getting Sacred Fire instead of Flare Blitz... idfk, I think there's some lore justification, but I don't think this is the thread for discussing it.
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And now, on to more on-topic things: Does this thread also encompass the changes that were known about pre-Bank due to the Pokedex guidebook, such as Drill Run Escavalier? If so, then those should be added to the OP as well.
The Techno Blast boost is nice, its no longer strictly worse than Genesect's other moves, but I still can't see the move being worth essentially not having an item. Maybe Water Techno Blast could be usable, since it so thoroughly skunks HP Water now, but I'm just not seeing any application that isn't better served by another move that lets him keep his item.
Sucker Punch will be a great new tool for Emboar; with a speed stat that low, any non-Quick Attack priority is welcome, especially one as strong as Sucker Punch. And it's immune to Will-o-Wisp, so that's one less non-attacking move for it to worry about when compared to a lot of the move's other users. Hammer Arm might be more viable over Superpower on Emboar as well, now that he has a way to bypass the Speed drops. It still probably won't be OU, but it may move up a tier at least.
Cresselia getting Moonblast is cool, I suppose, but it won't really help her deal with pursuit users in OU, and no STAB really doesn't help with her underwhelming attacking stats. Maybe on a Calm Mind monoattacking set over Ice Beam for a slightly more powerful attack? Hey, it's a nicer addition than TechnoBlastboost, anyways.