Grax's growth

0% normal sword 1d8+4
10% 1d8+5 and bonus darkdamage
20% Cast darkness
30% Shadow grax starts to appear (no control) (nightmares)
40% 2 swords
50% can now control the shadows there are 2 and darkness increases in range (150ft), Translution Dark; you can turn invisible when in dim light
60% 3 swords petrification (When in direct sunlight you begin to slowly petrify 1d4 hours to complete petrify. stage one half movement speed, Stage two disadvantage on attacks, Stage three you are restrained, Stage 4 petrified. the effect ends after being in darkness for 1d4 hours. (roll the D4 when you first enter the sunlight))
70% Dark speed (200ft) and can control the shape of the darkness and 4 swords (fire surrounds you ) (possession: Grax can possess your body for 1 hour a day on a failed DC 15 Wisdom saving throw )
80% Darkness speed increases (500ft), (telepathy)
90% 5 swords , any creature who attacks (melee) you takes 2d8 fire damage or 2d8 necrotic damage
100% grax gains complete control, and undying (you no longer die your head attempts to return to your body if removed takes 2 weeks to regrow body gain 30 hp when your head re-attaches)