(13888:53:20) is the duration of the effects and potion.potency.255 means the amplifier (how strong the effect is) and V means 5 in roman numerals (also an amplifier) MY FIRST MINECRAFT PROJECT YAYYYYY
the potion in my inventory (what the arrow is pointing to) said: "OP Potion" Regeneration potion.potency.255 (13888:53:20) Speed V (13888:53:20) Strength potion.potency.255 (13888:53:20) Jump Boost V (13888:53:20) Resistance potion.potency.255 (13888:53:20) Haste potion.potency.255 (13888:53:20) When Applied: +100% Speed +768 Attack Damage +5 Safe Fall Distance +2560% Attack Speed
