I have these mons but i can't seem win any matches. Can someone tell me its weakness and if I need to change something up. Thinking about if changing arcanine to something else but don't know what. Also which out of these should be my lead.
Dusclops Leftovers Impish
252hp/252def/6spdef
Will-o-wisp
Protect
Night shade
pain split
Umbreon Leftovers Careful
252hp/252spdef/6def
Heal bell
wish
mean look
toxic
Aerodactyl Choice band Jolly
252Atk/6hp/252Spd
Ancient power
aerial ace
earthquake
crunch
Jolteon Choice specs
252SpA/6SpDef/252Sped
Thunderbolt
Shadow ball
Signal beam
Hidden power ice
Arcanine leftovers Bold
252 HP / 168 Def / 90 Speed
Will-o-Wisp
Roar
Toxic
Fire Blast
Slowbro Leftovers Calm
200hp/58spatk/252sdef
Calm mind
surf
psychic
slack off