diff --git a/spell.c b/spell.c
index 8990b00..d02dead 100644
--- a/spell.c
+++ b/spell.c
@@ -7805,11 +7805,19 @@ int dospelleffects(lifeform_t *caster, enum OBTYPE spellid, int power, lifeform_
 
 		// create vine 
 		o = addobfast(targcell->obpile, OT_VINE);
+
 		// set power
 		f = hasflag(o->flags, F_RESTRICTMOVEMENT);
 		if (f) {
 			f->val[0] = 100 + (power*10);
-			f->val[1] = B_FALSE;  // struggling doesn't damage the vine
+			//f->val[1] = B_FALSE;  // struggling doesn't damage the vine
+			f->val[1] = B_TRUE;  // struggling doesn't damage the vine
+		}
+		// boost hp based on power, up 300%
+		f = hasflag(o->flags, F_OBHP);
+		if (f) {
+			f->val[1] = pctof(100 + (power*20), f->val[1]);
+			f->val[0] = f->val[1];
 		}
 		if (caster && (caster->cell->map == targcell->map)) {
 			// if caster is on the same map (ie. not being cast by a god)