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Thanks, but I still don't understand why it gained such a huge amount. I can account for about 66 of it, but the other 7 points (which is still a lot) doesn't make sense. But thanks anyway, you're help is appreciated.
Edit: I think I have realized exactly why it gained like it did. 63*1.1=70...
Ok, I understand that IV's influence overall stats. I understand that natures have a 10% influence on total stat as well. I just don't understand how it could have gone up 73 atk in one level. EV gain aside (should be 63 points), that's still 10 atk unaccounted for.
Yeah, I know that IV's have a huge impact on the overall stat, but shouldn't my tyrannitar have only gained 63 points in both stats (252/4) or maybe 2 or 3 extra points? I can understand 65 speed, but 73 attack? that's an extra gain of ten points. I just don't understand that.
S.B. 25 atk IV's...
IV's? No, I didn't train it against pokemon, therefore not giving it EV's or effort values. A pokemon is hatched with IV's, they never change. And yeah, trained with pickup candies.
Ok, so I have been training a Tyrannitar, but I didn't give it any EV's until level 99. I did the maths and I thought it would have gained 63 stat points in speed and attack, but it gained 73 in attack and 65 in speed. Can anyone explain this?