what item should my dratini sweeper be hollding, life orb or an oran berry?
and dr00, how many battles would it take to EV these: 28 HP / 244 Atk / 36 SpD / 196 S
and why is it important to EV speed last?
you do speed last because you train on magikarp that give you 2 speed EVs with your attached power item that gives you 8 EVs in any specific stat.
to break down what you should do and why:
first thing you do before anything is
infect your pokemon with pokerus. it makes this process go SO much faster and, with the extra boost in EVs, you have a nice safety net in case you mess up.
28 HP
as stated above, you'll be training with an attached power item that gives 8 EVs, so you'll want to vitamin up until you have a multiple of 8. thankfully 28 gives a nice number for you.
2 HP Ups then 1 battle with Power Weight attached
244 Atk
doing 100 Protein leaves you with 144 Atk left. 144 / 8 = 18
so
10 Proteins, 18 battles with Power Bracer attached
36 SPDef
this is a case where not giving the maximum vitamins before training can help you.
instead of giving 3 vitamins and leaving the remaining to be only 6, 2 viamins and 2 battles gets your 36 SPDef perfectly
2 Zing, 2 Battles with Power Band
196 Spd
for speed, you have to do things a bit differently:
first, you have gained 2 EVs for each battle so far.
second is, since magikarp gives 2 Spd EVs and you're holding the Power Anklet, you get 10 EVs in Spd per battle.
totaling up the other battles: 21 * 2 EVs = 42
196 - 142 = 54 leftover EVs
divide by 10 and you get a little over 6. it's okay to go over on speed because you've trained everything else already
so
10 Carbos, then 21 battles with other Power Items attached, then 6 battles with Power Anklet attached
your process should be in this order:
- infect with pokerus
- 2 HP Ups, 10 Proteins, 2 Zinc, 10 Carbos
- 1 battle with Power Weight, 18 battles with Power Bracer, 2 battles with Power Band, 6 battles with Power Anklet
as for oran and life orb, try each other several times to see which one helps you more. they're both just as good on paper imo