30s to get+teach mega punch
31.6 saved in battles

OHKO chances									time save estimate
rattata  	16-->85								3.8
zubat		16-->55								3.1
grimer		N/A									
voltorb		16-->29								0.6
koffing		61-->85 (2HKO)						1.3
pidgeotto	95-->96 (3HKO)						0.5 (can 2HKO with crit)
abra		N/A
rattata		25-->86								3.6							
bulbasaur	71-->73 (2HKO)						0.1
caterpie	16-->80								3.3
weedle		83-->85								0.0
pidgey		17-->85								4.7
nido-f		16-->17 (2HKO)						0.0
rattata		62-->85								1.3
ekans		59-->85								1.8
zubat		N/A
pidgey		16-->64								3.4
nido-f		98-->99								0.1
mankey		N/A
raticate	16-->75 (or risk thrash-->75)		1.2
oddish		risk thrash-->85					2.8