Thief Mode

Thief Mode is an alternate mode in some games that increases your Luck at the expense of other stats. There are two Castlevania games with this mode in it, Castlevania: Symphony of the Night and Castlevania: Circle of the Moon.

Castlevania: Symphony of the Night
This mode is playable once you have a CLEAR game and start a new game on the Name Entry screen and enter the your name as X-X!V''Q. This starts you out with extremely high Luck, but extremely reduced amount of all other statistics as follows: This mode generally starts off very difficult, but eventually becomes relatively easier as you level up and gain more powerful weapons and armor.
 * Luck - 99 - Normally 14 at the most
 * Hit Points - 25 - Normally 80 at the most
 * Max Hearts - 5 - Normally 60 at the most
 * Mind Points - 1 - Normally 30 at the most
 * Strength - 1 - Normally 13 at the most
 * Constitution - 0 - Normally 12 at the most
 * Intelligence - 0 - Normally 13 at the most