Stats needed for beginners

So, there was a walkthrough for beginners. But everyone's equipment differs. So what are the stats that can let you do 1-hit kills, so that you can level up quickly?

[Level 1] Native - Attack 3, Damage 8, Armor 3/Defense 3
[Level 1] Lost Sheep - Attack 6, Damage 6, Armor 2/Defense 9
[Level 1] Rat - Attack 2, Damage 4, Armor 2/Defense 2
[Level 2] Ragdoll Thief - Attack 10, Damage 17, Armor 4/Defense 3
[Level 2] Scorpion - Attack 5, Damage 11, Armor 4/Defense 5
[Level 2] Zombie - Attack 9, Damage 13, Armor 4/Defense 4
[Level 3] Ogre - Attack 7, Damage 21, Armor 6/Defense 10
[Level 3] Snow Leopard - Attack 9, Damage 19, Armor 8/Defense 12
[Level 3] Troll - Attack 7, Damage 22, Armor 3/Defense 10
[Level 4] Goblin - Attack 7, Damage 26, Armor 7/Defense 14
[Level 4] Skeletal Mage - Attack 12, Damage 28, Armor 9/Defense 9
[Level 4] Skeleton - Attack 9, Damage 29, Armor 7/Defense 7
[Level 4] Lesser Goblin Shaman - Attack 10, Damage 20, Armor 6/Defense 15
[Level 4] Vampire - Attack 10, Damage 24, Armor 7/Defense 15
[Level 5] Succubus - Attack 14, Damage 36, Armor 14/Defense 15
[Level 6] Desert Snake - Attack 17, Damage 43, Armor 23/Defense 24
[Level 8] Sand Golem - Attack 42, Damage 46, Armor 28/Defense 27
[Level 8] Djinn - Attack 33, Damage 50, Armor 18/Defense 23
[Level 9] Shambler - Attack 34, Damage 50, Armor 33/Defense 27
[Level 10] Ice Witch - Attack 36, Damage 70, Armor 26/Defense 41
[Level 10] Rock Golem - Attack 39, Damage 49, Armor 39/Defense 26
[Level 11] Serpentine - Attack 35, Damage 75, Armor 31/Defense 34
[Level 11] Nomad Warrior - Attack 31, Damage 81, Armor 47/Defense 39
[Level 12] Nomad Magi - Attack 39, Damage 80, Armor 39/Defense 38
[Level 13] Valsar Vampire Overlord - Attack 41, Damage 136, Armor 34/Defense 34
[Level 13] Vampire Lord - Attack 34, Damage 86, Armor 33/Defense 55
[Level 14] Slime Golem - Attack 28, Damage 140, Armor 25/Defense 81
[Level 14] Fire Snake - Attack 46, Damage 75, Armor 45/Defense 67
[Level 15] Fire Imp - Attack 30, Damage 104, Armor 56/Defense 36
[Level 16] Fire Golem - Attack 35, Damage 63, Armor 67/Defense 70
[Level 16] Goblin Mage - Attack 56, Damage 108, Armor 47/Defense 67
[Level 18] Orc Warrior - Attack 55, Damage 112, Armor 56/Defense 59
[Level 18] Lesser Fire Demon - Attack 45, Damage 102, Armor 64/Defense 68
[Level 19] Skeletal Ice Mage - Attack 67, Damage 101, Armor 62/Defense 51
[Level 19] Abomination - Attack 57, Damage 116, Armor 56/Defense 56
[Level 19] Orc Brute - Attack 67, Damage 126, Armor 65/Defense 65
[Level 20] Wild Cat - Attack 45, Damage 143, Armor 20/Defense 113
[Level 21] Raptor - Attack 36, Damage 191, Armor 19/Defense 136
[Level 22] Fell Demon - Attack 60, Damage 128, Armor 65/Defense 68
[Level 23] Demonic Frog - Attack 114, Damage 109, Armor 52/Defense 72
[Level 24] Nightshade - Attack 60, Damage 129, Armor 69/Defense 50
[Level 25] Ramdal Stalker - Attack 93, Damage 113, Armor 39/Defense 67

You may be better off fighting creatures a level below if you do not meet the requirements to do a one-hit kill.