two methods

one: you or your PET get the halo effect through equipment

two: summon the target with halo to appear

one, such as

wild rose 4S armor class 8+27+29+5 thorns

doomsday 5S axe class/hammer class/long handle class 15+27+22+22. Hammer 3+3+22+23+17 fanaticism

hand of justice 4S weapon 29+32+11+28 flame

Dream 3S head protection/ Block protective gear 16+31+21 Holy shock

Edge 3S long-range weapon 3+7+11 Thorn

Confidence 4S long-range weapon 27+31+2+2 fanaticism

Harmonious 4S long-range weapon 3+6+12+18 vitality

Frozen 4S long-range weapon 11+13+31+28. 3+23+3+24 Trial of Long-handled Class

Vision 4S Long-handled Class/Staff Class 8+3+7+12 Meditation

Finally hope 6S Sword Class/Hammer Class/Axe Class 31+23+31+29+31+3 Power

Law enforcer 3S Sword Class/Hammer Class/Power. Block protective gear 26+26+28+31 Redemption

Proud 4S long-handled class 32+29+16+28 Focus

2: For example, summon the following things

NEC summons the steel stone demon, which has a thorny aura. If you summon it with one of the above mentioned equipment, the steel stone demon will have the above aura

Many other items will have the above aura.