Level Up:
* Level 1: Scratch
* Level 4: Growl
* Level 7: Razor Leaf
* Level 10: Quick Attack
* Level 13: Vine Whip
* Level 16: Take Down
* Level 19: Swords Dance
* Level 22: Leaf Storm
* Level 25: Solar Beam
* Level 28: Hidden Power
* Level 31: Aerial Ace
* Level 34: Synthesis
* Level 37: Leaf Blade
* Level 40: Substitute
* Level 43: Energy Ball
* Level 46: Double-Edge
* Level 49: Dragon Claw
* Level 52: Shadow Claw
* Level 55: Leaf Storm
* Level 58: Outrage
* Level 61: Ancient Power
* Level 64: Solar Beam
* Level 67: Leaf Storm
* Level 70: Giga Drain
TMs and HMs:
* TM01: Focus Blast
* TM06: Toxic
* TM08: Bulk Up
* TM10: Hidden Power
* TM11: Sunny Day
* TM12: Thunderbolt
* TM16: Light Screen
* TM17: Protect
* TM18: Rain Dance
* TM21: Frustration
* TM24: Thunderbolt
* TM27: Return
* TM28: Dig
* TM29: Psychic
* TM30: Shadow Claw
* TM31: Brick Break
* TM32: Double Team
* TM34: Shock Wave
* TM38: Fire Blast
* TM40: Aerial Ace
* TM42: Facade
* TM43: Secret Power
* TM44: Rest
* TM45: Attract
* TM46: Thief
* TM49: Sweet Scent
* TM51: Ice Shard
* TM52: Focus Blast
* TM56: Fling
* TM58: Sky Attack
* TM62: Earthquake
* TM68: Giga Drain
* TM70: Flash
* TM71: Stone Edge
* TM72: Sunny Day
* TM87: Swagger
* TM90: Substitute
* TM91: Flash Cannon
* TM93: Thunder
* HM01: Cut
* HM02: Fly
* HM04: Strength
* HM05: Flash
* HM06: Rock Smash
* HM08: Dive
Breeding:
* Egg Moves: Natural Gift, Bullet Seed, Quick Guard
Notes:
* Sceptile's learnset is quite versatile. It has access to a wide range of powerful physical and special moves, including coverage options like Fire Blast, Ice Shard, and Flash Cannon.
* Its high Special Attack stat makes it a good Special Attacker.
* Its high Speed stat allows it to outspeed many opponents.
* Sceptile learns several useful support moves like Swords Dance, Substitute, and Synthesis.
Remember that this is just a list of moves Sceptile can learn, and the best moveset will depend on your playstyle and the team you're using. Good luck!