Synthia's Abberant Dragonmark

Mistress of Flames: You have resistance to fire damage and ignore resistance to fire damage when damaging another creature.

Flamefist: When you speak a command word (free action) your hand errupts in bright purple and red flames. You gain access to a special melee attack. This attack deals 3d6+STR+DEX damage and has the finesse property for the purpose of sneak attack. 

Enhanced Sneak Attack: Whenever you roll sneak attack you may choose to roll on the d6 table.

1. Bust: You deal no sneak attack damage.
2. Furiousity: You gain a speed bonus of 10ft.
3. Armor Melting: The attacked creatures AC is decreased by 2 till the end of your next turn.
4. Heat Shock: The attacked creature has to roll a DC (8+CON+Profiency Bonus) CON-Save or be restrained till the beginning of your next turn.
5. Fernian Retribution: You deal double sneak attack damage.
6. Roll twice: Roll twice. If you get a bust due to this, you may choose to ignore it.