Solar Creeper

Companion: a summon, hireling or ally

The game draws this as a spell effect, so it has no monster picture.

Summoned by Solar Creeper

Its strength comes from the skill's level (required character level 24). Per skill level:

Skill level	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
Mana Cost	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33
Life	165	198	231	264	297	330	363	396	429	462	495	528	561	594	627	660	693	726	759	792
% Mana Recovery	2	2	3	4	4	4	5	5	5	5	5	6	6	6	6	6	6	6	6	6

From the game files (monstats.txt, monlvl.txt). Picture: the original sprites from the game.