Void Rift Skills

Skills are bought with SP (soul points) and shop can't be accessed when dealing with Final boss (soo farm everything for final boss)
From stage 1 to 3, after defeating that stage boss you get 1 free Boss skill upgrade

Red Skills:
Strengthen Main Gun - Main weapon damage increased by 50%
Strengthen Sub Gun - Secondary weapon damage increased by 30%
Strengthen Critical Damage - Critical damage increased by 30%
Summoner Enhancement - Summoner attack damage increased by 100%
Revenge - When health is below 50 the attack power is increased by 100%

Green Skills:
Defense - Zombie damage reduced by 20%
Curse Resistance - Reduce the damage caused by Void curse (damage per tick at Void boss)dadad
Strengthen HP - Health increased by 10%
Knockback Resistance Enhancement - Reduced knockback and duration of reduced movement speed

<Blue Skills:
Soul Points Absorber - Soul points gain increased by 3%
Luck - Increase the chance of Rare Items in the Soul Shop by 2% and increase the critical chance by 2%
Strengthen Burst (improves Soul usable skills) - Soul skill effect increased by 1 (max lv-10)

>Soul usable Skills;
Summon Mini Longbill - Summon Mini Longbill to support allies and continue to deal damage to enemies with the highest health in area
Summon Mini Glacial Beast - Summon Mini Glacial Beast to support allies and countinue to deal damage to the nearest enemy
Frozen Bullet - Fires a freeze effect, slowing down zombie's movement speed
Thunder Bullet - Fires an additional lightning effect causing ranged electrical damage
Explosive Bullet - Fires an additional explosion effect, causing area explosio damage
Countinuous Healing - Restores health every second for the duration
Adrenalin - Increase movement and attack power for duration